The angular frequency obtained is 3.76 × 10⁻⁷ rad/sec. The orbital period planet of the planet in Earth days is 193.51 days.
Given data:
Mass of the planet (m) = 7.15 × 10²⁴ kg
Mass of the star (M) = 1.95 × 10²⁹ kg
Radius of the orbit (r) = 5.95 × 10⁷ km
Orbital period is given by T = (2π) ÷ ω
we know that,
(GMm) ÷ (R)² = mω²R
ω = √(GM) ÷ R³
On substituting the value:
ω = 3.76 × 10⁻⁷ rad/sec
The time period is:
T = (2π) ÷ 3.76 × 10⁻⁷
T = 16719389.62 sec
Hence on converting from seconds to days the time period obtained is:
T = 193.51 days.
Therefore, The orbital period planet of the planet in Earth days is 193.51 days.
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Which of the following statements about your derivation of the ideal gas law are true? Check all that apply. The Equipartition Theorem implies that )-G). O(2)Z) owing to inelastic collisions between the gas molecules. With just one particle in the container, the pressure on the wall (at z - Lz) is independent of Ly and L. O With just one particle in the container, the average force exerted on the particle by the wall (at -Lz) is independent of Ly and Lz Submit Previous Answers Request Answer
The equipartition theorem predicts that (Vx)²=(Vy)². The average force this wall applies to a particle in a container containing a single particle is independent of Ly& Lz.
The equipartition theorem establishes a connection between a system's temperature and average energy in classical statistical mechanics. Other names for the equipartition theorem include the law of equipartition, the equipartition of energy, and just the word "equipartition." A molecule's average kinetic energy per degree of freedom in translational motion should be equal to that in rotational motion, for example, according to the basic concept of equipartition, which states that energy is distributed equally among all of its many forms in thermal equilibrium.
Quantitative predictions are made using the equipartition theorem. Similar to the virial theorem, it provides the total average kinetic and potential energies for a system at a specific temperature, allowing one to calculate the system's heat capacity. Equipartition, however, also provides the average values for each of the energy's component parts.
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When the velocity of a moving body decreae by equal amount in equal time,the body i aid to have??
If the velocity of moving body decreases by equal amounts in equal interval of time, it is said to have negative acceleration.
What is velocity?
The directional speed of an item in motion, as measured by a specific unit of time and observed from a certain point of reference, is what is referred to as velocity. The standard unit of velocity magnitude is the meter per second (m/s).
What is acceleration?
Acceleration is the rate at which an object's velocity with respect to time changes. Negative acceleration is the acceleration that results when a moving object's velocity decreases. When a body's velocity is decreasing, it typically experiences negative acceleration. Given that the velocity is rising in that direction, its direction is the inverse of the body's motion.
If the velocity of moving body decreases by equal amounts in equal interval of time, it is said to have negative acceleration.
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The charge of the electron is -1.602x10-19 C. The charge of the proton is the same except positive. An electron and proton are separated by a distance. What is the distance, r; such that the electric force between them is 1.000 N? X l0l ?] m Hint: Ke = 8.99x109 N-m?/C2. Coefficient (green) Exponent (yellow) Enter
An electron and proton are separated by a distance, and the distance is: 1.517 × 10⁻¹⁴ m.
What is the charge of electron?Positively charged particles include electrons. The magnitude of the negative charge is 1.602 x 10⁻¹⁹ C.
The electron, the lightest known stable subatomic particle, is regarded as the fundamental representation of electric charge.
Given that,
Charge of the electron is 1.602 x 10⁻¹⁹ C
electric force between them is 1.000 N
Electrostatic force between electron and proton:
F = [K × q(p) × q(e)] / r²
or, r² = [K × q(p) × q(e)] / F
or, r² = (8.99 × 10⁹ N.m²/C²) × (1.602 × 10⁻¹⁹ C)²
or, r = 1.517 × 10⁻¹⁴ m
here. co-efficient = 1.517 and exponent = -14
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2a. (5 points) using your multimeter, measure the dc resistance of the 100 mh inductor supplied in the parts kit. draw a model for the real inductor that includes this resistance. compute the maximum time constant for this component. do you think you could see the change of current with time with your multimeter?
The maximum time constant for this component is: 0.974 m/sec
What is multimeter?A volt/ohm meter commonly referred to as a multimeter or multitester, is an electronic measuring device that integrates many measurement capabilities into a single unit. A standard multimeter could include capabilities to measure voltage, current, and resistance, among other things.
The multimeter, sometimes known as a "multitester," is a device that can perform several tests. It functions as an ohmmeter while measuring resistance, and displaying ohms.
Given that,
DC resistance ,
L = 100 mh
R = 102.6 Ω
Now, time constant, T = L/R
or, T = (100/ 102.6) m/sec
or, T = 0.974 m/sec
Thus, change of current will occur but this is very less because of the temperature difference.
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Identify a true statement about premarital education programs. Multiple Choice They tend to hinder the level of communication between couples. They are linked to a lower level of marital satisfaction. They tend to increase the likelihood of divorce. They are linked to a higher level of commitment to a spouse. Anorexia nervosa and bulimia nervosa affect Multiple Choice men more than women. women more than older men but less than younger men. men and women equally. women more than men. Which of the following statements is true of pubertal growth spurt? Multiple Choice During their growth spurt, girls increase in height about 4 Inches per year. The peak rate of pubertal change occurs at 11 years for boys. The mean age at the beginning of the growth spurt in girls is 11. The growth spurt occurs approximately 2 years earlier for girls than for boys.
The true statement for the three given scenarios is: premarital education programs are linked to a higher level of commitment to a spouse; Anorexia nervosa and bulimia nervosa affect women more than men; pubertal growth spurt occurs approximately two years earlier for girls than for boys.
Premarital education programs concentrated on preventing marital distress by promoting discussion of hidden assumptions about marriage and teaching couples the art of communication and relationship skills before problems develop. Hence, they are linked to a higher level of commitment to a spouse. Anorexia nervosa and bulimia nervosa are eating disorders which are more common among female than men according to research. Pubertal growth spurt refers to the fast and intense increase in the rate of growth in height and weight that occurs during the adolescent stage of the human life cycle. A major growth spurt happens at the time of puberty, usually between 8 to 13 years of age in girls and 10 to 15 years in boys. Hence, it occurs approximately two years earlier for girls than for boys.
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A bow wave is produced when a speed boat moves fast as the waves it produces_ faster than the waves it produces. nearly as fast as the waves it produces none of the above
A Bow wave is produced when a speed boat moves faster than the waves it produces.
A Bow wave is a progressive disturbance that propagates through a fluid, such as water or air, as a result of a displacement of the anterior point of an object passing through the fluid that is greater than the speed of the wave travelling across the fluid, produced by the same object. If the speed of the object is slower than the waves it produces, then no Bow waves will be generated. In the above scenario, when the speed boat moves faster than the waves it generates, it produces the Bow wave in the water.
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if you double the radiating surface area of a star while keeping its temperature constant, its power output increases by a factor of
A star's power output doubles when its radiating surface area doubles while its temperature remains constant.
Relation between power output and radiating surface area:When referring to black body radiation, however, Wikipedia maintains that the radiation released is proportionate to the surface. If you increase the surface area, the radiation will also double.
If you consider a radiator (the sun, a lightbulb, etc.) to have constant power (for example, 60 W), you could indeed increase its surface in just about any way you like, provided the material just diffracts radiation rather than absorbing it. However, the power it emits will never change; it will always be, for example, 60 W. Simply put, this is energy conservation. It is not a temperature issue.Thus, a star's power output doubles when its radiating surface area doubles while its temperature remains constant.
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calculate the wavelength of a baseball (m = 155 g) moving at 32.5 m/s
The wavelength of the baseball is 1.32×10−34m 1.32 × 10 − 34 m .
What is wavelentgh?Wavelength can be defined as the distance between two successive crests or throughs of a wave.
To calculate the equivalent of a baseball having Mars 155 g moving at =25.3 m/s. (So in this question we used the concept of the equivalent and how to prevalent the related with article mass and velocity). So π that is equal to H divided by M. V. Where π is the equivalent and M is the mass of particle V. Is the velocity and H is the plank's constant whose value =6.6 26 <10 arrays to power minus 34 kg meter square and the second universe. And this Mv basically we can be call it as particles momentum. This is the particle's momentum because momentum that is this P is equal to M into so in the march into willow stream that is known as it is momentum. Let us see to the data given in the question we are given masks by of the baseball 1 55 g and we know one kg that is =2000 g. So we have to convert this mask in terms of the kg. So which is equal to the point of= 1 55 kg.
And so this kg cancel out second universities also to the So on solving this time we get =1.689 into =10 arrays to power -34 m. So this is the equivalent of to the baseball, So hence they equivalent of the baseball and this is =1.689 ×10, raised to power -34 m.
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water comes down the spillway of a dam from an initial vertical height of 175 m. what is the highest possible speed of the water at the end of the spillway?
The speed of water at the end of spillway is 58.5 (m/s)
Calculation:
According to the Bernoulli equation:
P/x + v^2/2 + gz = constant
The initial vertical height of 175 m
However, the atmospheric pressure and density are essentially the same at the peak and bottom of the falls. Therefore,
v^2/2 + gz = constant , so:
v_bottom^2/ 2 = v_top^2/2 + gz, or:
v_bottom = √(v_top^2 + 2gz) = √(v_top^2 + 2g*175)
If v_top ≈ 0, then:
v_bottom = √(2gz) = √(2*9.8*175) = 58.5 (m/s)
What is the flow rate of water?
The amount of water that might theoretically flow out of your kitchen faucet or bathtub each minute is measured by your water flow rate, sometimes referred to as the gallons per minute (GPM). the flow rate is affected by a number of variables, but the household size is the most important one.
Therefore, the highest possible speed of the water at the end of the spillway is 58.5m/s
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what is the minimum potential difference between the filament and the target of an x-ray tube if the tube is to produce x-rays with a wavelength of 0.160 nm ?
The minimum potential difference between the filament and the target of the X-ray tube to produce X-rays with a wavelength of [tex]\(0.160 \, \text{nm}\)[/tex] is approximately [tex]\(7750 \, \text{V}\)[/tex].
The shortest wavelength [tex](\(\lambda_{\text{shortest}}\))[/tex] produced by the X-ray tube is approximately [tex]\(0.365 \, \text{nm}\)[/tex].
To calculate the minimum potential difference [tex](\(V\))[/tex] between the filament and the target of an X-ray tube to produce X-rays with a specific wavelength, we can use the equation for the energy of a photon [tex](\(E\))[/tex]:
[tex]\[E = \frac{hc}{\lambda}\][/tex]
Where:
[tex]\(h\)[/tex] is the Planck's constant [tex](\(6.626 \times 10^{-34}\) J·s)[/tex],
[tex]\(c\)[/tex] is the speed of light in a vacuum [tex](\(2.998 \times 10^8\) m/s)[/tex], and
[tex]\(\lambda\)[/tex] is the wavelength of X-rays [tex](\(0.160\) nm)[/tex].
We also know that the energy of a photon is related to the potential difference [tex](\(V\))[/tex] by the equation:
[tex]\[E = eV\][/tex]
Where:
[tex]\(e\)[/tex] is the elementary charge [tex](\(1.602 \times 10^{-19}\) C)[/tex].
Now, we can equate these two expressions for energy and solve for [tex]\(V\)[/tex]:
[tex]\[\frac{hc}{\lambda} = eV\]\\\\\V = \frac{hc}{e\lambda}\][/tex]
Substitute the given values:
[tex]\[V = \frac{(6.626 \times 10^{-34} \, \text{J·s}) \times (2.998 \times 10^8 \, \text{m/s})}{(1.602 \times 10^{-19} \, \text{C}) \times (0.160 \times 10^{-9} \, \text{m})}\][/tex]
[tex]\[V = \frac{1.9876 \times 10^{-15} \, \text{J·m}}{2.5632 \times 10^{-28} \, \text{C}}\]\\\\\V \approx 7750 \, \text{V}\][/tex]
So, the minimum potential difference between the filament and the target of the X-ray tube to produce X-rays with a wavelength of [tex]\(0.160 \, \text{nm}\)[/tex] is approximately [tex]\(7750 \, \text{V}\)[/tex].
Now, to find the shortest wavelength [tex](\(\lambda_{\text{shortest}}\))[/tex] produced by the tube, we can rearrange the equation for [tex]\(V\) in terms of \(\lambda\)[/tex]:
[tex]\[\lambda = \frac{hc}{eV}\][/tex]
Substitute the minimum potential difference [tex](\(V = 7750 \, \text{V}\))[/tex] into the equation:
[tex]\[\lambda_{\text{shortest}} = \frac{(6.626 \times 10^{-34} \, \text{J·s}) \times (2.998 \times 10^8 \, \text{m/s})}{(1.602 \times 10^{-19} \, \text{C}) \times (7750 \, \text{V})}\]\\\\\\lambda_{\text{shortest}} = \frac{1.9876 \times 10^{-15} \, \text{J·m}}{1.2385 \times 10^{-15} \, \text{C}}\][/tex]
[tex]\rm \[\lambda_{\text{shortest}} \approx 0.365 \, \text{nm}\][/tex]
So, the shortest wavelength [tex](\(\lambda_{\text{shortest}}\))[/tex] produced by the X-ray tube is approximately [tex]\(0.365 \, \text{nm}\)[/tex].
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how much work is required for a 78 kgkg runner to accelerate from rest to a speed of 8.0 m/sm/s ?
Work done to accelerate from rest to speed of 8 m/s = 2496 Joules
What is Work energy theorem ?According to the work-energy theorem, the net work performed by forces acting on an item equals the change in kinetic energy.
According to the given information
Using the work - energy theorem,
work done is defined as the change in the kinetic energy [tex]$\mathrm{W}=\frac{1}{2} \mathrm{mv}^2-\frac{1}{2} \mathrm{mu}^2[/tex]= [tex]\frac{1}{2} \mathrm{~m}\left(\mathrm{v}^2-\mathrm{u}^2\right)$[/tex]
given
[tex]$\mathrm{m}[/tex] =78 [tex]\mathrm{~kg}$[/tex]
[tex]$u=0 \mathrm{~m} / \mathrm{s}$[/tex]
[tex]$v=8 \mathrm{~m} / \mathrm{s}[/tex]
Hence
[tex]$\mathrm{W}=\frac{1}{2} 78\left(8^2-0^2\right)$[/tex]
[tex]$\Rightarrow \mathrm{W}=\frac{1}{2}(78)(64)$[/tex]
[tex]$\Rightarrow \mathrm{W}=2496 \mathrm{~J}$[/tex]
Work done to accelerate from rest to speed of 8 m/s = 2496 Joules
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Which of the following spectrum is also known as microwave spectrum?
a) Solar cells b) Ovens c) Radiotherapy d) Burglar alarms.
Microwave spectrum is another name for radiotherapy spectrum. There are no early termination penalties when canceling with Spectrum.
Can you haggle about the cost of Spectrum?
One of the greatest methods to lower your Spectrum bill if you're unhappy with the amount you have to pay each month for internet connection is to call and bargain. You may bargain your way back to your prior tariff by making the proper call through the proper channel.
Spectrum costs $80; why?
The expense of providing your family with the finest value in broadband—300 Mbps starting speeds with no modem fees, data limitations, or contracts—is reflected in the price of Spectrum Internet, according to the provider. Charter added that this is the first time it has raised the cost of standalone broadband.
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Using the CER format (claims, evidence and reasoning), answer the following question: Three resistors are connected in series: (14 Ohms, 2.5 Ohms and 22 Ohms). If all these resistors were light bulbs, which would be the brightest? (CLEARLY IDENTIFY YOUR CLAIM, EVIDENCE AND REASONING.)
According to Ohm's law the the bulb which experience the greater resistance will be brightest in the series.
What is Ohm's law?Ohm's law states that the voltage across a circuit is the product of the current and resistance through it.
Thus, V = IR.
As per this relation, the current and resistance through a circuit are in inverse relation whereas voltage with current and resistance are in direct proportionality.
As the resistance increases, the voltage drop increases, making the more light electrical energy is converted to light energy in bulbs make it brighter. Therefore, the bulb with higher resistance i. e 22 ohms would be the brightest.
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Label the arteries of the head and neck. Common carotid a. Axillary a. Brachiocephalic trunk External carotid a. Basilar a. Vertebral a. Internal carotid Occipital a. a. Subclavian a. Facial a. Which structure is highlighted and indicated by the leader line? Multiple Choice
O Right ventricle
O Right atrium
O Left atrium
O Left ventricle
the head and neck. Common carotid is O Right atrium, O Left atrium .
What are the four major arteries?A celiac, mesenteric, renal, & iliac arteries are among these arteries.The iliac also branches into the leg and supplies blood to the pelvis.The femoral artery is the biggest artery in the leg.The blood flow to the upper leg is provided by this artery.
What are the arteries' functions?Away from the heart, arteries transmit oxygen-rich blood to the various regions of the body.A pulmonary artery as well as the systemic artery are the two primary categories of arteries.Blood travels through the pulmonary arteries from the to the lungs, where it absorbs oxygen.
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ASAP HELP 80 POINTS !!!!!!!! Answer the questions in this lab, fill in data tables, and provide the two scatter plot graphs requested and submit.
Determine the reaction time for an individual in multiple trials using kinematics.
Calculate an experimental value for the acceleration due to gravity.
Record the distance the ruler falls. Then use the distance to determine the reaction time.
Trial one. [The ruler is caught at 48 centimeters]
Trial two. [The ruler is caught at 41 centimeters]
Trial three. [The ruler is caught at 29 centimeters]
Trial four. [Trial four] [The ruler is caught at 41 centimeters]
Trial five. [Trial five] [The ruler is caught at 40 centimeters]
Trial six. [Trial six] [The ruler is caught at 42 centimeters]
To determine the reaction time for an individual using kinematics, we need to first collect data on the distance that the ruler falls and the time it takes for the individual to catch it. We can then use this data to calculate the reaction time for each trial.
Here is a data table that includes the distance the ruler falls and the corresponding reaction time for each trial:
Trial Distance (cm) Reaction Time (s)
1 48 0.80
2 41 0.68
3 29 0.48
4 41 0.68
5 40 0.67
6 42 0.70
To calculate the reaction time for each trial, we need to use the formula:
Reaction Time = √(2 * Distance / Acceleration Due to Gravity)
We can use this formula to calculate the experimental value for the acceleration due to gravity. We can then use this value to calculate the reaction time for each trial.
To calculate the experimental value for the acceleration due to gravity, we can use the following formula:
Acceleration Due to Gravity = (Distance / Reaction Time^2) / 2
Using this formula, we can calculate the experimental value for the acceleration due to gravity as follows:
Acceleration Due to Gravity = (48 / 0.80^2) / 2 = 9.60 m/s^2
Using this value for the acceleration due to gravity, we can then calculate the reaction time for each trial as follows:
Trial Distance (cm) Reaction Time (s)
1 48 0.80
2 41 0.68
3 29 0.48
4 41 0.68
5 40 0.67
6 42
the cosmic microwave background radiation was produced when the temperature of the universe was around 3,000 k. by what factor has the universe expanded between then and now?
When the universe's temperature fell below 3000 K and a plasma of protons and electrons came together in the early cosmos, the CMBR was created.
Why do we see a 3k cosmic microwave background?
The blackbody radiation is seen as a remnant of the transparency point at the expanding universe dropped below about 3000K so that radiation could escape.
What happened after the cosmic microwave background?Matter then became neutral, and allowed the light to travel freely: the Universe became transparent. The relic of that 'first light' is the CMB. Since the time when that radiation was released, the Universe has expanded, becoming at the same time cooler and cooler.
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many massive stars end their life cycles as black holes. why do astronomers not believe the sun will end its life cycle as a black hole?(1 point)
Black holes form when the center of a very massive star to collapses in upon itself.
What is black hole?A black hole is a place in the space where gravity pulls so this is much that even light of can not get out. There are gravity is so strong because of matter has been the squeezed into a tiny space. This can happen when a star by dying. Because no light is can get out, people can't see in black holes. They are the invisible.
This is collapse also causes by a supernova, or an exploding by star, that blasts part of to the star into space.
The Sun would need to be about 20 times more to the massive to end its life as anb blackhole. Stars that are the born this size or larger can be explode into a supernova at the end of their lifetimes and it is before collapsing back into the black hole, an object with not with gravitational pull so strong that nothing, not even light, can be escape.
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How many possible combinations are there for the values of l and ml when n = 2?
Express your answer as an integer.
? = possible combinations
The possible combinations are for the values of l when n = 2 is two values 0,1 and ml is -1,0,1
The n is the principal quantum number
l is the azimuthal quantum number
ml is the magnetic quantum number.
The formula to find the azimuthal quantum number is
l = 0,1,2,3 .......n-1
If n = 2, the azimuthal quantum number,
l = 0, 1
Then, the ml can be found using the formula,
ml = 2l +1
For l = 0 , ml = 2(0) + 1
= 1
Therefore, ml will have only one value, which is 0
For l =1 , ml = 2(1) + 1
= 3
Therefore, the ml will have three values, they are -1,0,1
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please help! 30 points !!!
1) Is the relationship between energy and amplitude linear or nonlinear? How can you tell?
2) What does it mean to be proportional rather than equal?
3) How is a wave's energy affected if its amplitude is doubled?
4) A wave's amplitude is halved. How does this affect its energy?
5) Wave A has an amplitude of 1 unit. Wave B has an amplitude of 5 units. How does the energy of the two waves compare?
"Mathematical models are helpful in understanding the properties of waves. The relationship between energy and amplitude is shown in this graph. This means that the energy of a wave is proportional to the square of its amplitude. This relationship is shown on the graph. Study the graph and apply your understanding of waves and mathematical relationships to answer the questions below. "
The relationship between energy and amplitude is nonlinear because the graph is a curve.
Proportional means concurrent increase or decrease while equality means that two quantities are the same.
A wave's energy is increased four-fold if its amplitude is doubled.
If a wave's amplitude is halved, its energy is reduced to a quarter of its original value.
The energy of wave B is 25 times the energy of wave A.
What is the relationship between the amplitude and energy of a wave?The amplitude of a wave is the maximum upward or downward displacement of a wave from its mean position.
The amplitude of a wave is the distance from the center line to the highest point or crest or the lowest point or trough of a wave.
The energy of a wave is the work that a given wave can do.
The energy of a wave is directly proportional to the square of the amplitude of a wave.
Hence, the energy of a wave increases with its amplitude.
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an l-c circuit has an inductance of 0.380 h and a capacitance of 0.300 nf . during the current oscillations, the maximum current in the inductor is 1.20 a . part a what is the maximum energy emax stored in the capacitor at any time during the current oscillations? express your answer in joules.
0.08664 J is the maximum energy stored in the capacitor at any time during the current oscillations.
What is Electromagnetic Oscillation ?Within an LC circuit oscillates back and forth between the electric fields of the capacitor and the magnetic field of the inductor. This oscillation is known as electromagnetic oscillation.
Energy stored in the IC oscillations is
E= 1/2 LI²
Here,
Inductance (I) = 1.2 A
Capacitance (L) = 0.380 H
Now put the values in above formula, we get the energy as
[tex]E_{max} = \frac{1}{2} \times 1.2 \times (0.380)^2[/tex]
= 0.5 × 1.2 × 0.1444
= 0.08664 J
What is capacitance?
Capacitance is the capability of a material object or device to store electric charge. It is measured by the change in charge in response to a difference in electric potential, expressed as the ratio of those quantities.
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A 0.5âkg block B slides without friction inside a slot cut in arm OA that rotates in a vertical plane. The rod has a constant angular acceleration Ëθ=10rad/s2. Knowing that when θ=45â and r=0.8m the velocity of the block is zero, determine at this instant, (a) the force exerted on the block by the arm, (b) the relative acceleration of the block with respect to the arm.
a) Force exerted on the block by the arm is 4N.
b) The relative acceleration of the block with respect to the arm is 10rad/s2.
(a) The force exerted on the block B by the arm OA is given by:
F = m × a = 0.5 kg × (10 rad/s2) × 0.8 m = 4 N
The force exerted on the block by the arm is equal to the product of the mass of the block and the relative acceleration of the block with respect to the arm. Since the velocity of the block is zero at the given instant, the relative acceleration of the block with respect to the arm is equal to the angular acceleration of the arm, i.e., 10rad/s2. Hence, the force exerted on the block by the arm is
0.5kg×10rad/s2 =5N.
(b) The relative acceleration of the block with respect to the arm is given by:
a_rel = a + θ2 × r = 10 rad/s2 + (45 rad/s2)2 × 0.8 m = 15.6 m/s2
The relative acceleration of the block with respect to the arm is equal to the angular acceleration of the arm, i.e., 10rad/s2.
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Someone help me fast please!
The graph shows a position - time graph of an object which is moving downhill. The object is moving with a constant speed but away from the observer.
What is velocity?Velocity is a physical quantity that measures the distance covered per unit time. Velocity is a vector quantity and is having both magnitude and direction.
Velocity is the ratio of distance to the time. Thus, if the change in distance is linear with the change in time, there will be no change in velocity and the object is said to be moving with constant velocity.
If the distance and time are non-linear thus, thus, change in distance is not coinciding with change in time, then the velocity changes each time. The given object is moving away from the observer and
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base your answers to the fololwing questions on the informetaion and disgram below. a golf ball leavea a golf club with n nitial velocity of 40.0 mtersp er second at an angle of 40 degrees. with the horrziontal what is the vertical component of the g9lf balls initial velocity
The ball's parabolic motion causes it to move at a speed of 26.3 m/s right before it strikes the ground, which is faster than its straight-downfall velocity of 17.1 m/s.
How do you determine a golf ball's flight?
The vertical velocity of the ball traveling up the club head face is calculated using the equation 5/7 f v sin 0 where f is the fraction of speed left after the ball is compressed, 0 is the angle of the clubface at impact, and v is the velocity of the club head.
How will the ball's speed change as it descends to the ground?
The ball descends faster and faster. In other words, the ball is moving faster the entire time it is in the air, both during its ascent and at the moment it reaches its peak, as well as throughout its descent. Gravity is what causes the ball to accelerate.
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Hypothesis (one or 2 paragraphs)
Should be on the form
‘An increase in the independent variable will cause the dependent variable to …’.
You could also suggest a mathematical or graphical relationship between the variables.
Explain why you think your hypothesis is true using scientific ideas.
The hypothesis should follow from the introduction - no new information added.
Include references to any sources of information and to your own introduction..
The IV is the Mass of the coffee filter and the DV is The terminal velocity.
‘An increase in the independent variable (the Mass of the coffee filter) will cause the dependent variable (The terminal velocity) to decrease.
How does mass affect terminal velocity Experiment?This relationship demonstrates the way that a mass-dependent relationship exists between an object's terminal velocity and mass. The faster an object descends through a fluid, the heavier it is.
The values of the variables shift in the opposite directions when there is an inverse or negative relationship. In other words, if the value of the independent variable rises, the dependent variable falls; if the value of the independent variable falls, the dependent variable rises.
Therefore, for coffee filters, the force of air resistance is related to the square of the fall speed, therefore it too increases as speed increases. To reach terminal velocity, a heavier filter with a same area must fall more quickly than a lighter one.
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what is true of spiral galaxies? what is true of spiral galaxies? they evolve from giant ellipticals. they have never been seen to have large redshifts. they are only found in the center of rich galaxy clusters. they are much less common at larger redshifts. they are relatively rare in regions of high galaxy density.
The true statement about spiral galaxies is, that they are relatively rare in regions of high galaxy density.
What are Spiral galaxies?The twisted clusters of stars and gas known as spiral galaxies, which are frequently formed of hot, young stars, have striking shapes. As opposed to the other two major groups of galaxy forms, elliptical and irregular, spiral galaxies make up the majority of the galaxies that astronomers have so far discovered.
What is Density?The density of a substance reveals how dense it is in a given region. Mass per unit volume is the definition of a substance's density. In essence, density is a measurement of how closely together matter is packed. It is a special physical trait of a specific thing. Greek scientist Archimedes made the discovery of the density principle. If you are familiar with the formula and the corresponding units, calculating density is simple. Density can be symbolized by the letter D or by the symbol.
Hence, the true statement about spiral galaxies is, that they are relatively rare in regions of high galaxy density.
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in 1634, in an attempt to determine the source of a growing plant's mass, van helmont planted a willow seedling in a pot of soil. after 5 years, the willow weighed 76.8 kg, and the soil had lost 0.06 kg of weight. only water had been added to the pot. which conclusion should van helmont have drawn?
The conclusion should van helmont have drawn Plants get all or almost all of their mass from a source other than soil
Van Helmont conducted an experiment to see whether the ancient Greek theory was accurate. In a measured amount of dirt, he raised a willow tree. The willow tree had gained roughly 74 kg in weight over the course of five years, he found. Van Helmont came to the conclusion that soil minerals alone cannot account for plant development because the weight of the soil had hardly changed. He believed that the additional plant matter had only come from the water.
Complete question:
In an attempt to find out where a growing plant gets its mass, Van Helmont planted a willow seedling in a pot of soil. After five years, the willow weighed 76.8 kg, and the soil had lost 0.06 kg of weight. Only water had been added to the pot. Which of the following conclusions should Van Helmont have drawn?
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consider the distance-measuring technique called main sequence fitting, the third step on the cosmic distance ladder. imagine plotting the apparent brightness vs. temperature for two clusters on the same graph. even though this is not a true h-r diagram, you can still recognize which stars are main-sequence stars in each cluster. suppose one of the clusters is the hyades (the face of taurus, the bull), whose distance is known from stellar parallax. if the other cluster's main sequence stars are all one-fourth (1/4) the brightness as seen from earth, then how far away is the other cluster?
If the other cluster's main sequence stars are all one-fourth (1/4) the brightness as seen from earth, then now far away is Twice as far away as the Hyades.
Astronomers use various techniques to degree relative distances within the Universe, relying upon the object being observed. together these techniques are known as the cosmic distance ladder. it's called a ladder for true cause — each rung or dimension method relies upon the preceding step for calibration.
The universe is the whole lot. It includes all of space, and all the matter and strength that area carries. It even consists of time itself and, of route, it consists of you. Earth and the Moon are part of the universe, as are the other planets and their many dozens of moons.
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rag the appropriate labels to their respective targets. Reset Help Pons Il Midbrain Hypothalamus Spinal cord UM Cerebellum Thalamus Pineal gland Medulla oblongata
Pons, Midbrain, Hypothalamus, Spinal cord ,UM Cerebellum, Thalamus Pineal gland, Medulla oblongata are the parts of brain.
Hypothalamus : Is located at the base of the brain, the release hormones and regulate body temperature.
Pons : is part of the brainstem located Superior To The Medulla and inferior To Midbrain.
Medulla Oblongata : Part Of Brain Stem , located Inferior To Pons, plays an important role in passing messages between spinal cord and brain.
Spinal Cord : Is a Structure made up of nervous tissue, it is Long and Thin.
Cerebellum : Located Near The Brainstem , and Is Major Part Of Hindbrain , primarily involved in coordinating movement and balance.
Midbrain : Is the Uppermost part of the brainstem
There are three main parts of the midbrain - the colliculi, the tegmentum, and the cerebral peduncles.
Pineal Gland : Is a Pea Shaped Gland which produce and secrete the hormone melatonin.
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a weight of 50.0 n is attached to the free end of a light string wrapped around a reel with a radius of 0.250 m and a mass of 3.00 kg. the reel is a solid disk, free to rotate in a vertical plane about the horizontal axis passing through its center. the weight is released 6.00 m above the floor. (a) determine the tension in the string, the acceleration of the mass, and the speed with which the weight hits the floor. (b) find the speed calculated in part (a), using the principle of conservation of energ
The tension in the string, the acceleration of the mass, and the speed with which the weight hits the floor are 11.36 N, 7.57 m/s², and 9.53 m/s, respectively. (b) The speed is 9.53 m/s.
Given:
Force, F₁ = 50 N
Radius, r = 0.25 m
Mass, m =3 kg
Distance, d = 6 m
(a)
The tension in the string and acceleration is:
F₁ - T = (F₁÷g)a
50-T=(50÷9.8)×a
The tension can also be expressed as:
Tr = (Fr²a)÷m
T×0.25=0.5×0.25²×a÷0.25
Solving the equation:
T=11.36 N
a=7.57 m/s²
The speed is:
v² = u² -2as
v² = 0 + 7.57×2×6
v= 9.53 m/s
(b) From the conservation of energy:
Mgh=0.5×v×v + 0.5×I×(v/r)²
3×9.8×6 = 0.5×v×v + 0.5×I×(v/0.25)²
v = 9.53 m/s
Hence, (a) The tension in the string, the acceleration of the mass, and the speed with which the weight hits the floor are 11.36 N, 7.57 m/s², and 9.53 m/s, respectively. (b) The speed is 9.53 m/s.
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find the transfer function g(s)=vo(s)/vi(s)
Transfer function g(s)=vo(s)/vi(s) is G(s) = s/2s +1
In frequency domain Inductor L transforms to sL and Capacitor C transforms to 1/sC using this ,the output voltage in frequency i.e s domain using voltage division rule is
Vo (s) = Vi(s) * sL ║1 / 1 + sL║1 = Vi (s) * s║1 / 1+ s║1
assume L = 1H
Vo (s) = Vi (s) * s*1/s+1 / 1+ s*1/s+1
G(s) = Vo (s) /Vi (s) = s / s + 1+ s = s/2s + 1
G(s) = s/2s + 1
A mathematical function known as a system function or network function of a system, sub-system, or component theoretically simulates the output of the system for each potential input. Electronics and control systems use them extensively. This function, which is sometimes called a transfer curve or characteristic curve, is a two-dimensional graph of an independent scalar input vs a dependent scalar output. In electronics and control theory, transfer functions for components are used to build and analyze systems that are constructed from components, particularly when utilizing the block diagram technique.
The transfer function's parameters and units simulate the output response of the device for a variety of potential inputs.
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