If all the wires have the same diameter, they will all stretch by the same percent. The elasticity does not depend upon the length.
What is the distance?Distance is a numerical representation of the distance between two locations. The distance can refer to a physical length or an estimate based on other factors in physics or common use.
|AB| is a symbol for the distance between two points A and B.
A physiological method for identifying far-off or unseen items using sound waves that the objects reflect back to the source, such as a bat. Each one will enlarge by the same percentage.
Hence, they will all stretch by the same percentage.
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This state that the work done on a body by a net force is equal to the change is kinetic energy of the body
Answer:
that's true The work-energy theorem states that
The wave equation says that a wave's speed is equal to its wavelength times its _________________.
Answer:
Frequency
Explanation:
speed = wavelength * speed
PLEASE HELP ASAP!!!
Describe the two forces that form mid-ocean ridges and ocean trenches
Ridge push refers to the pressure exerted by the excess height of the mid-ocean ridge, while Slab pull refers to the force exerted by the weight of the subducted slab on the plate it is attached to.
Two forces that form mid-ocean ridgesThe two forces that form mid-ocean ridges are ridge-push and slab pull.
What is Ridge push?Ridge push refers to the pressure exerted by the excess height of the mid-ocean ridge.
What is Slab pull?Slab pull refers to the force exerted by the weight of the subducted slab on the plate it is attached to.
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Describe the mass of the reactants and products given in the balanced chemical equation
When the chemical response is balanced, the mass of the reactant is equal to the mass of the reactant.
Grounded on the law of Conservation of Mass
We balance the chemical equation since tittles aren't destroyed in the process and the mass is conserved. The mass of the reactant is equal to the mass of the product. No new titles are created or destroyed, there was only rearrangement or regrouping of tittles. This also means the number of titles of rudiments in both the product and reactant is equal.
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Banked Curves: A 600-kg car is going around a banked curve with a radius of 110 m at a steady speed of 24.5 m/s. What is the appropriate banking angle so that the car stays on its path without the assistance of friction
The angle of baking from the calculation is obtained as 30°.
What is banking?The term banking refers to a means of preventing vehicles from skidding off the road at curves.
We know that the banking angle is obtained from;
θ = tan-1(v^2/rg)
v = 24.5 m/s
r = 110 m
g = 9.8 m/s^2
θ = tan-1(25^2/9.8 * 110)
θ = tan-1(625 /1078)
θ = 30°
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If you double the current through a resistor, by what factor does the power dissipated by the resistor change?.
If you double the current through a resistor, the power dissipated by the resistor change by factor of 4.
What is electric current?The stream of positive charges which flow from the positive terminal to the negative terminal of the battery attached in a circuit.
Power dissipated through a resistor is related to current as
P =I²R
When the current is doubled, the new power will be
P' = (2I)²R
P' = 4 I²R
P' = 4P
Thus, the power change by the factor of 4.
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7. Give reason: a. The motion of a bu's starting from a bus station is an example of non- uniform motion. how
Answer:
See below
Explanation:
It is a lot of stop and go....various speeds and accelerations .
Since monsoons are storms that usually occur during a specific time of year in certain regions, you could not compare them to thunderstorms. please select the best answer from the choices provided t f
The statement "Since monsoons are storms that usually occur during a specific time of year in certain regions, you could not compare them to thunderstorms" is absolutely false.
What is monsoon?Monsoon may be characterized as a seasonal transformation in the direction of the predominant, most potent, currents of a region. It blows from cold to warmer regions of the geographical locations.
Thunderstorms basically originated identically with monsoons more frequently. Monsoon involves sudden and gradual rainfall, extreme wind, and a drop-down in temperature.
The occurrence of monsoon is fixed at different geographical locations, but the occurrence of thunderstorms will not be definite or predominantly known.
Thus, the statement "Since monsoons are storms that usually occur during a specific time of year in certain regions, you could not compare them to thunderstorms" is absolutely false.
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Answer:
False
Explanation:
A football is kicked with an initial velocity of 10 m/s at an angle of 25 degrees. If it hits the ground 1.5s later, how many meters does it travel?
The distance travelled by the ball, given the data is 7.82 m
Data obtained from the questionInitial velocity (u) = 10 m/sAngle of projection (θ) = 25 degrees Time of flight (T) = 1.5 sAcceleration due to gravity (g) = 9.8 m/s²Range (R) = ?How to determine the rangeThe range (i.e distance) travelled by the ball can be obtained as illustrated below:
R = u²Sine(2θ) / g
R = 10² × Sine (2×25) / 9.8
R = 10² × Sine 50 / 9.8
R = 7.82 m
Thus, the distance travelled by the ball is 7.82 m
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Which property help to explain differences in the specific heat capabilities of two substances
Answer:
Forces between molecules
Explanation:
The tensions between molecules are the characteristic that explains variances in the specific heat capacity of two substances.
This means that a substance's specific heat capacity will increase or be higher the closer its atoms are bound together. As a result, it differs for the different states of matter, such as solid, liquid, and gas.
a balloon of total mass 2200 kg hovers stationary at a height of several meters above the ground. a mass of 200 kg is released from rest from the balloon.calculate the acceleration of the balloon as it starts to rise.
Answer:
1 m/s²
Explanation:
added in the picture
The actual mass of a sheet of copy paper is 4.5 g. What must be the actual mass of a 1 cm² plece of copy paper?
Show your calculations.
The mass of 1 cm² piece of copy paper is 0.0072 g.
What is the area of a piece of paper?Assuming the dimensions of a piece of paper is 21.0 x 29.7 cm
The area of the piece of paper = 21.0 * 29.7 = 623.7 cm²
Mass of 623.7 cm² = 4.5 g
Mass of 1 cm² piece of copy paper = 4.5/623.7 cm² = 0.0072 g
Therefore, the mass of 1 cm² piece of copy paper is 0.0072 g.
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1. State Coulomb's law.
2. Two equal balls having equal positive charge Q coulomb are suspended by two insulating strings of equal length what would be the effect of the force when a plastic sheet is inserted between the two?
3. State the junction rule.
4. what is the Toroid?
1. Coulomb's Law
Coulomb's law states that the force of a charged object on another charged object is directly proportional to the product of their charge(s) and inversely proportional to the square of the distance between them.
[tex]F_{elec}=k\frac{|q_1||q2|}{r^2}[/tex]
k is a constant.
2. The Force Would Decrease.
Coulomb's law predicts the electric force between two charged objects in a medium.
[tex]F=\frac{1}{4\pi\in_0 } \frac{|q_1q_2|}{r^2}[/tex]
where K is the medium's dielectric constant.
Vacuum: [tex]k=1[/tex]
Plastic: [tex]k > 1[/tex]
Therefore, the force between the two balls will decrease when the plastic sheet is inserted.
3. The Junction Rule states that the sum of magnitudes of the currents directed into a junction equals the sum of the magnitudes of the currents directed out of the current.
4. A Toroid is a doughnut shaped object whose surface is a torus. It annular shape is generated by revolving a circle around an axis external to the circle. Some example uses are RF chokes which is an inductor to have a high impedance to RF current and low impedance to DC current. Another use is variable-frequency oscillator (VFO). The frequency is set by a tuned circuit using capacitors and inductors. The frequency can be changed by adjusting the components in the tuned circuit. Just one last example is in mixers. These are used in transformers for Diode Ring Mixers. Which result in being ready, built, and homebrew.
Answer:
According to Coulomb's law, the force of attraction or repulsion between two charged bodies is directly proportional to the product of their charges and inversely proportional to the square of the distance between them. It acts along the line joining the two charges considered to be point charges.Force will decrease. The force between charged balls will decrease.Kirchhoff's Junction RuleIt is an application of the principle of conservation of electric charge. The law states that at any circuit junction, the sum of the currents flowing into and out of that junction are equal.In mathematics, a toroid is a surface of revolution with a hole in the middle. The axis of revolution passes through the hole and so does not intersect the surface. For example, when a rectangle is rotated around an axis parallel to one of its edges, then a hollow rectangle-section ring is produced.all white dwarfs have masses in a small range—from about 0.5 to almost 1.4 malchemist sun symbol. why? (select all that apply.)
A white dwarf cannot support its own weight by its degenerate pressure if its mass is greater than 1.4 solar masses.
What are white dwarfs?
White dwarfs are stellar core remnant composed mostly of electron-degenerate matter.
White dwarf is very dense due to its large mass and smaller volume.
Reasons for comparable mass of white dwarfs and SunStars with main sequence masses less than about 0.5 solar masses cannot ignite the helium fusion required to become white dwarfs.A white dwarf cannot support its own weight by its degenerate pressure if its mass is greater than 1.4 solar masses.Learn more about white dwarfs here: https://brainly.com/question/24873876
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The equation to calculate density is D = m/v. For a liquid substance, which item increases as heat is applied?
volume
density
mass
density and volume
Answer:
See below
Explanation:
Things generally expand when heated ....so volume increases while mass remains the same .....this will cause the value of density to decrease
A football is kicked with an initial velocity of 10 m/s at an angle of 25°. If it hits the ground 1.5s later, how many meters does it travel?
Answer:
i am pretty sure its 15 m
Explanation:
10 m/s
1.5 seconds
25 angle
10m/1.5s
10x1.5=15
the pressure in a water pipe in the ground floor of a building is 4×10⁵ Pa and three floors up is 2×10⁵. What is the difference in height between the ground floor and the third floor? Density of water=1×10³ kgm-³
The difference in height between the ground floor and the third floor is
What is gauge pressure?The pressure measured by the pressure gauge is called the gauge pressure.
Given is the the pressure in a water pipe in the ground floor of a building is 4×10⁵ Pa and three floors up is 2×10⁵ Pa. Density of water ρ = 1×10³ kg/m³
From the Bernoulli's theorem,
ΔPg = ρgΔh
( 4×10⁵ - 2×10⁵) = 1000 x 9.81 x Δh
Δh = 20.4 m
Thus, the difference in height is 20.4 m
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You push a 50.0 kg box across a floor at a constant speed of 2.0m/s. If the coefficient of friction between the two surfaces is 0.20, then how much force are you exerting on the box? If you stop pushing, then how far will the box slide before coming to rest? Start by drawing a FBD.
(a) The force applied on the box is 98 N.
(b) When you stop pushing, the displacement of the box before coming to rest is 1.02 m.
Force exerted on the box
The force exerted on the box is calculated from Newton's second law of motion.
F - Ff = ma
where;
a is acceleration of the boxF is applied forceFf is frictional forceat constant speed, a = 0
F - Ff = 0
F = Ff
Ff = μmg
Ff = 0.2 x 50 x 9.8
Ff = 98 N
When you stop pushing, applied force = 0F - Ff = ma
-Ff = ma
a = -Ff/m
a = -98/50
a = - 1.96 m/s²
Displacement of the boxv² = u² + 2as
when the box stops, v = 0
0 = u² + 2as
0 = (2)² + 2(-1.96)s
0 = 4 - 3.92s
3.92s = 4
s = 4/3.92
s = 1.02 m
When you stop pushing, the displacement of the box before coming to rest is 1.02 m.
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Looking at the wave diagram which best describes the wave
Answer:
B describes the best ...
We see different phases of the Moon on Earth. How are the phases of the Moon proof of
the way we see the Moon?
Answer:
The Moon itself does not generate light
Explanation:
The Moon itself does not generate light; it is lit up by the Sun. As the Moon orbits the Earth, the portion of illuminated Moon that we see changes – giving rise to the phases of the Moon. Starting at the New Moon phase, the Moon appears to expand in illumination.
a traffic light at an intersection is hanging from two wires of equal length making angles of 10 degrees below the horitzontal. The traffic light weights 2500 N. What are the tensions in the wires
The tensions in the wires at the given angle of inclination is determined as 434.1 N.
Tension on the wire
The tension in the wires is calculated as follows;
T = Wsinθ
where;
T is tension in each wireW is weight of the traffic lightT = 2500 x sin(10)
T = 434.1 N
Thus, the tensions in the wires at the given angle of inclination is determined as 434.1 N.
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What is nuclear power
Answer:
D. All of the statements describe nuclear powerWhat is NUCLEAR POWER?
➡️ is the use of nuclear reactions to produce electricity.
➡️ it can be obtained from nuclear fission, nuclear decay and nuclear fusion reactions.
Hope it helps
A single-instance deployment of splunk enterprise handles:
A single-instance deployment of splunk enterprise handles; Indexing, Parsing, Input and Searching.
What is splunk enterprise?Splunk Enterprise collects data from any source, including metrics, logs, stream network traffic, web servers, custom applications, social media and cloud services.
Functions of single-instance deployment of splunk enterpriseThe following are the main functions;
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you began with a 544 g sample
Answer:
34g
(second option listed)
Explanation:
half life is the number of days it takes to decrease by half,
after 8 days you are left with half of the original portion
in a period of 32 days, we experience 4 repeats of 8 days
(it gets cut in half four times):
544 / 2 = 272 {day 8}
272 / 2 = 136 {day 16}
136 / 2 = 68 {day 24}
68 / 2 = 34 {day 32}
so, after 32 days, 34g of ooblek are left un-decayed
hope this helps!! have a lovely day :)
Examples of kinetic theory of convection
Answer:
example of kinetic theory include brownian motion the random movement of the particles because the consolation with the air molecules and how gas is behave boiling and j l also this cyclone explain how temperature affects the
A projectile is launched at an angle of 29 degrees above the horizontal with an initial velocity of 36.6 at an unknown height.
The magnitude of the vertical velocity upon returning to its original, unknown height is _____ m/s.
The vertical velocity of the projectile upon returning to its original is 17. 74 m/s
How to determine the vertical velocity
Using the formula:
Vertical velocity component , Vy = V * sin(α)
Where
V = initial velocity = 36. 6 m/s
α = angle of projectile = 29°
Substitute into the formula
Vy = 36. 6 * sin ( 29°)
Vy = 36. 6 * 0. 4848
Vy = 17. 74 m/s
Thus, the vertical velocity of the projectile upon returning to its original is 17. 74 m/s
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Rana writes a summary about a mass on a spring in simple harmonic motion as it moves upward from the equilibrium position toward the maximum positive displacement. as the mass moves upward, the velocity is positive and decreasing while the acceleration is negative and decreasing. what error did rana make? the velocity should be negative, not positive. the acceleration should be positive, not negative. the velocity should be increasing, not decreasing. the acceleration should be increasing, not decreasing.
Answer:
The magnitude of acceleration should be increasing.
Velocity is positive as the mass is moving towards the maximum positive displacement. Velocity would be decreasing. Acceleration is negative as velocity is decreasing. Additionally, the magnitude of acceleration would be increasing (becomes more negative.)
Explanation:
As the mass in this question moves upwards, the displacement of this mass is becoming more positive. Hence, the velocity of this mass would be positive.
In a simple harmonic motion, velocity is:
maximized at the equilibrium position (where displacement is [tex]0[/tex],) and[tex]0[/tex] when displacement is maximized.The mass in this question is moving from [tex]0[/tex] displacement (where velocity is maximized) towards maximum displacement (where velocity is [tex]0[/tex].) Thus, the velocity of the mass would be decreasing.
Since the velocity of this mass is decreasing, the acceleration of this mass would be negative. In a simple harmonic motion, acceleration is:
[tex]0[/tex] at the equilibrium position, andmaximum when displacement is maximized, but opposite to the direction of displacement.The mass in this question is moving from the equilibrium position (where acceleration is [tex]0[/tex]) towards maximum displacement (where acceleration is most negative.) Thus, the magnitude of the acceleration of this mass would be increasing, and the acceleration of the mass would become more negative.
Answer:
the acceleration should be increasing, not decreasing.
or in other words, D.
The force of gravity between two objects is greatest when the objects have?
The force of gravity increases as the product of their individual masses' increases
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An uncharged spherical conductor hangs by an insulating thread. You bring a negatively charged rod near
from the left side. The net charge on the hanging conductor’s left side is (choose one):
a. Positive
b. Negative
c. Neutral
Answer:
Positive
This type of charging is called charging by induction In this the uncharged body gets the opposite type of charge.when a negatively charged rod is bring near uncharged spherical conductor it attracts positive charge and repels negative charges
so In left side all positive charges appears and in right side all negetive
Types of methods of charging
Charging by contact charging by rubbing charging by induction.Which of the following is a disadvantage of using geothermal energy?
A. It is abundant.
B. It can reduce greenhouse emissions.
C. It is renewable.
D. It can cause air and groundwater pollution.
The disadvantage of using geothermal energy is "It can cause air and groundwater pollution." The correct option is D.
What is geothermal energy?Geothermal energy is a type of renewable energy that comes from the heat within the Earth's core.
The Earth's core is extremely hot, and this heat energy can be harnessed and used to generate electricity. Geothermal energy is often found in areas where the Earth's crust is thin or where there are active volcanoes and geysers.
There are two main types of geothermal energy: direct use and electricity generation.
Direct use involves using geothermal heat directly for heating buildings, greenhouses, or industrial processes such as drying crops or pasteurizing milk. Electricity generation involves using geothermal heat to generate electricity, typically by pumping water into underground reservoirs to create steam that drives turbines connected to generators.
Geothermal energy is considered a renewable energy source because the heat within the Earth's core is continually replenished by radioactive decay. Additionally, geothermal energy is a relatively clean energy source, producing fewer greenhouse gas emissions than fossil fuels.
Here in the question,
Although geothermal energy has many advantages, such as being renewable and reducing greenhouse gas emissions, one of the main disadvantages is that it can cause air and groundwater pollution.
This is because geothermal power plants often release gases and fluids from underground reservoirs that can contain pollutants such as hydrogen sulfide, ammonia, and boron. Additionally, the drilling process used to extract geothermal energy can also release pollutants into the air and water. However, with proper management and regulation, these negative impacts can be minimized.
Therefore, Option D is correct i.e It can cause air and groundwater pollution is a disadvantage of using geothermal energy.
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