More sales of traditional, large cars are the most likely consequence of falling petroleum prices.
ExplanationSince the majority of conventional, large cars employ combustion engines, these engines need petroleum fuel to operate.
As a result, Choice C—more sales of conventional, large cars—is one of the effects of dropping oil prices that is most likely to occur.
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A force of 5N produces an acceleration of 8m/s2 on mass m1, and an acceleration of 24m/s2 on a mass m2. What acceleration would the same force provide if both the masses are tied together.
The acceleration that the same force will provide if both masses are tied together is; 6.0 m/s².
How to find the Acceleration?We are given;
Force; F = 5 N
Acceleration of the first mass, a₁ = 8.0 m/s²
Acceleration of the second mass, a₂ = 24 m/s²
Formula for force is;
F = ma
Let us find both masses; m₁ and m₂.
m₁ = F/a₁
m₂ = F/a₂
Thus;
m₁ = 5/8 kg
m₂ = 5/24 kg
Total mass is; m = m₁ + m₂
m = 5/8 + 5/24
m = 15 + 5/24
m = 20/24 kg
Thus, acceleration if they are both tied together is;
a = F/m
a = 5/(20/24)
a = 6.0 m/s².
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You have found that the net force exerted on the cylinder depends on several different independent variables in different ways. how can you combine those separate dependencies into one equation relating the net force to the relevant independent variables
The net force on the cylinder depends on several independent variables such as mass, acceleration, velocity, time, etc, and it is given as F(net) = ma.
Net force exerted on the cylinder
The net force on the cylinder is calculated from Newton's second law of motion.
F(net) = ma
F(net) = m(v/t)
where;
m is mass of the cylindera is acceleration of the cylinderv is velocity of the cylindert is time of motion of the cylinderThus, the net force on the cylinder depends on several independent variables such as mass, acceleration, velocity, time, etc, and it is given as F(net) = ma.
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Why is it important to have a closed circuit?
A. It prevents a circuit from working.
B. It prevents components from overheating.
C. It increases the resistance in the circuit.
D. It allows an electric current in the circuit.
D. It allows the flow of an electric current in the circuit.
Why is it important to have a closed circuit?Closed circuit allows the flow of current in the circuit from the battery to the bulb. If the circuit is open then the current will not reach to the bulb or other appliances.
So we can conclude that It is important to have a closed circuit because it allows the flow of an electric current in the circuit.
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Emissions from alpha decay require the least amount of shielding.
Which best describes why the emissions from alpha decay are so easily blocked compared to the emissions of other types of radioactive decay?
The particles released during alpha decay are called alpha particles. Alpha particles have greater mass and charge than other emitted particles.
Radioactive emissions are the transfer of energy through the flow of particles or waves in a mediumThere are 3 types of radioactive emissions which are alpha, beta and gammaIn alpha radiation, the nucleus emits an alpha particle which is equivalent to a helium nucleusIn beta radiation, an electron is emitted to convert a neutron to a protonIn gamma radiation, the nucleus just loses energySince alpha particles have more mass and charge, they are more ionising and lose more energy at a faster rate and can be blocked easily.
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What is the crosswind component for a landing on runway 18 if the tower reports the wind as 220° at 30 knots?
From the head wind component charts, the crosswind component for a landing on runway 18 is 19 knots.
What is crosswind component?
When winds are not parallel to or directly with the line of travel, the wind is said to have a crosswind component.
From the head wind component charts, at 220° at 30 knots, the corresponding crosswind component is 19 knots.
Thus, from the head wind component charts, the crosswind component for a landing on runway 18 is 19 knots.
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briefly describe how the micrometre screw gauge is used
Answer:
the micrometre screw gauge is used for making precise linear measurements (e.g to measure diameter of a wire)
Ramu,the gardener,is trying to pull out weeds. however,he has to apply great force.why do you think he has to apply to much force?
Answer:
Roots are basically hooked into the ground?
Explanation:
Maybe you could comment here the choices if it's multiple choice.
what evidence can you cite that the interstellar medium contains both gas and dust? (select all that apply.)
(a) The gas of interstellar medium can be detected from the radiations of photons of wavelength 21 cm.
(b) The gas of interstellar medium can be detected from the absorption lines present in the light from distant stars, which must be caused by a medium of density and temperature other than that of the stars emitting the lights.
What is interstellar medium?Interstellar medium is the matter and radiation that exist in the space between the star systems in a galaxy.
Evidence that interstellar medium contains both gas and dustThe gas of interstellar medium can be detected from the radiations of photons of wavelength 21 cm.The gas of interstellar medium can be detected from the absorption lines present in the light from distant stars, which must be caused by a medium of density and temperature other than that of the stars emitting the lights.Learn more about interstellar medium here: https://brainly.com/question/4173326
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Where does the halo of a galaxy expand from?
a. the local group out to the dark matter
b. the bulge out to the edge of the disk
c. the irregular cluster out to the regular cluster
d. the edge of the disk out to the bulge
The halo of galaxy expand from the bulge out to the edge of the disk. The correct option is b.
What is universe?Universe is the whole cosmic system of matter and energy. The Earth, the Sun, the Moon, the planets, the stars along with the ,dust , gases, rocks forms the universe.
It went on expanding and stretched to grow as large as possible. It is still now expanding.
The universe consist of fully dark matter, interstellar gases or dust. The This universe began with a big bang , also known as the massive explosion. This universe is still on it way of expanding more.
The formation of stellar halos occurs naturally in a cold dark matter. Universe has halos which occurs from the bottom-up or the large structure of galaxies is formed starting with small objects.
Thus, the correct option is b.
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One of the properties of alkali metals is that they don’t react with water.
Beryllium (Be) is the only alkaline earth metal that does not react with water.
What are alkali metals and their properties?
Alkali is a substance that produces hydroxide ions in aqueous solution.
PHYSICAL PROPERTIES OF ALKALIS:
Alkalis have a BITTER taste & have a SOAPY touch.Alkalis turn RED litmus paper BLUE.Alkalis have a pH value > 7.Alkalis are CAUSTIC.Alkalis CONDUCT ELECTRICITY due to the presence of MOBILE IONS in solution.CHEMICAL PROPERTIES OF ALKALI METAL
Alkalis react with Acids to form salt and water. This reaction is called neutralisation reaction.Alkalis react with ammonium salts to form salt, water and ammonia gas. .Alkalis react with solution of metal salt to form another metal salt and hydroxide.Beryllium (Be) is the only alkaline earth metal that does not react with water.
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A car is moving with constant velocity of 30m/s what is it's acceleration in 10s
Answer:
0 m/s²
Explanation:
Acceleration is defined as the rate of change of velocity:
[tex]acceleration = \frac{change \space\ in \space\ velocity}{time taken}[/tex] .
As the velocity is constant, change in velocity = 0.
∴ acceleration = 0/ 10
= 0 m/s²
the north end of a compass points towards
Opposite attract , this is the magnetic south pole
option (b) ✔
Answer:
B
Explanation:
Opposites attract......so the end of the needle pointing to the North Pole is the South pole of the magnetic needle.
When your hand presses
down on scissors, what is your
force called?
a. input force
b. output force
c. buoyant force
Answer:
INPUT force
Explanation:
You are putting force into a machine of levers to have the output of cutting something.
When your hand presses down on scissors, the force is called input force because are applying a force into an object. Thus, option a is correct.
What is force ?Force is an external agent acting on a body to deform it or to change its state from rest or motion. There are various kinds of force such as magnetic force, nuclear force, gravitational force etc.
Force is a vector quantity thus, it is characterised by a magnitude and direction. According to second law of motion, the force acting on a body is the product of mass and acceleration.
Hence, the force acting on a body is directly proportional to the mass. Greater the mass, greater will be the force needed to accelerate the body. When we press down on an object we are applying an input force to the object.
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Two cars, with the same mass and traveling at the same speed, hit large trees head-on. One car has a rigid body that undergoes little or no deformation in the collision. The other has ``crumple zones'': portions of the body designed to crumple and deform in such a collision. How does this improve the chances that the driver of the second car will survive the event
The crumple zones in the second car will improve the chance of survival of the driver because it will act as shock absorber, reducing the impact of the force on the driver.
Newton's third law of motion
According to Newton's third law of motion, action and reaction are equal and opposite.
The car with rigid body will exert maximum force to the driver while the car with crumple zone will exert lesser force to the driver since the crumple zone will act as shock absorber, reducing the impact of the force on the driver.
Thus, the crumple zones in the second car will improve the chance of survival of the driver because it will act as shock absorber, reducing the impact of the force on the driver.
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Which best compares convex and concave mirrors?
Answer:
Convex mirrors produce only virtual images, and concave mirrors produce real and virtual images
Answer:
covex Miros produce different thing like micronizamm and other things
A well is being dug. A 4.5-kg bucket is filled with 28.0 kg of dirt and pulled vertically upward at a constant speed through a distance of 9.0 m. Determine the work done on the filled bucket in raising out of the hole.
The work done on the filled bucket in raising out of the hole is 2, 925 Joules
How to determine the work doneUsing the formula:
Work done = force * distance
Note that force = mass * acceleration
F = mg + ma
F = 4. 5 * 10 + 28 * 10
F = 45 + 280
F = 325 Newton
Distance = 9m
Substitute into formula
Work done = 325 * 9
Work done = 2, 925 Joules
Therefore, the work done is 2, 925 Joules
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If the current in each wire is the same, which wire produces the strongest magnetic field?.
grade 9 psyhics giving brainly
Answer:
B
Explanation:
If the liquid leaked, there would be less pressure and thus less force which is only reflected by one answer choice.
2) A ball is thrown forward horizontally from the top of a cliff
with a velocity of 10m/s as shown in the figure below. The
height of the cliff above the ground is 4.5m. Calculate
0218
R
i for position coordinates p(x, y), prove that the path of
horizontal projectile is parabolic.
[3]
ii. the time to reach the ground
[1]
iii. the distance from the cliff of the ball on hitting the ground [1]
iv. the velocity with which the ball hits the ground
[2]
v. the direction of the ball to the horizontal just before it hits the
ground.
[1]
(i) For position coordinates p(x, y), the path of horizontal projectile is parabolic.
(ii) The time to reach the ground is 0.96 s.
(iii) The distance from the cliff of the ball on hitting the ground is 9.6 m.
(iv) The velocity with which the ball hits the ground is 9.4 m/s.
(v) The direction of the ball to the horizontal just before it hits the
ground is 90 degrees.
What is projectile?When an object is thrown at an angle from the horizontal direction, the object is said to be in projectile motion. The object which follows the projectile motion.
Given is a ball is thrown forward horizontally from the top of a cliff
with a velocity of 10m/s. The height of the cliff above the ground is 4.5m.
(i) The equation formed by the ball is at point (x,y) given by
y =yo + Voy x t - 1/2gx²
The equation is in the form of parabola.
Thus, the ball follows parabolic path.
(ii) The time to reach the ground is
t = √2h/g
t = √(2x 4.5)/9.81
t= 0.96 s
iii) Horizontal distance traveled
R = u x t
R = 10 x 0.96
R = 9.6 m
Thus, the distance from the cliff of the ball on hitting the ground is 9.6 m.
(iv) The velocity with which the ball hits the ground.
v = √2gh
Plug the values, we get
v = √(2 x 9.81 x 4.5)
v = 9.4 m/s
(v) The direction of the ball to the horizontal will be 90 degrees just before it hits the ground.
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two resistors 6 ohm and 3 ohm are connected in parallel and its connected with a cell of EMF 6 volt find the current through each resistors
Answer:
See below
Explanation:
Each resistor has 6 v applied across it
rememeber
V = IR then V/R = I
for the 6 Ω 6 v /6Ω = 1 amp
for the 3 Ω 6v /3Ω = 2 amp
The data table shows how the amplitude of a mechanical wave varies with the energy it carries. Analyze the data to identify the mathematical relationship between amplitude and energy. Use your equation to find the energy if the amplitude is 6 units. Amplitude Energy 1 unit 2 units 2 units 8 units 3 units 18 units 4 units 32 units A. 66 units B. 60 units C. 72 units D. 74 units
The energy of a wave is directly proportional to the square of the amplitude of the wave.
What is the relationship between energy and amplitude?There is direct relationship between energy of the wave and the amplitude of the wave. The energy transported by a wave is directly proportional to the square of the amplitude of the wave. This means if energy is increase the amplitude of wave becomes double and vice versa.
Energy = (amplitude)2
So we can conclude that the energy of a wave is directly proportional to the square of the amplitude of the wave.
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[tex]Energy = (amplitude)^{2}[/tex]
What is energy and amplitude?Energy is define as the capacity for doing work.
Amplitude is the maximum displacement or distance moved by a point on a vibrating body or wave measured from its equilibrium position.
So , the relationship between energy of the wave and the amplitude of the wave is described as the energy transported by a wave is directly proportional to the square of the amplitude of the wave.
Here , If energy is increase the amplitude of wave becomes double.
[tex]Energy = (amplitude)^{2}[/tex]
Hence , the energy of a wave is directly proportional to the square of the amplitude of the wave.
By using the above equation if the amplitude is 6 Units then :
Energy = [tex](6)^{2}[/tex] = 36 units
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A boater is accompanied by a person at least 16 years of age. In michigan, what is the youngest age that this person can be and legally operate a boat powered by a motor of more than 35 hp?.
The youngest age that this person can be and legally operate a boat powered by a motor of more than 35 hp will be 12 years of age.
What is electric power?It is the rate of the electric work done. Its unit is the watt. Horsepower is the unit of power.
A person under the age of 12 may only legally operate a boat with a motor that has more than 6 horsepower but no more than 35 horsepower
if they meet two requirements: they have a boating safety certificate, which they must have on board; and they are being closely watched by an adult who is at least 16 years old.
Hence the youngest age that this person can be and legally operate a boat powered by a motor of more than 35 hp will be 12 years of age.
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I need help!1
An ambulence is currently travelling at 15m/s and is accelerating with a constant acceleration of 5m/s^2, the ambulence is attempting to pass a car which is moving at a constant velocity of 30m/s. how far must the ambulence travel until it matches the car's velocity?
Answer:
67.5m
Explanation:
Use the kinematics equation.[tex]\frac{vf^2-vo^2}{2a} =x[/tex]
[tex]vf=30[/tex] [tex]vo=15[/tex] [tex]a=5[/tex]
[tex]\frac{30^2-15^2}{10} =x\\[/tex]
[tex]67.5=x[/tex]
define reference point
Answer:
A reference point is a place or object used for comparison to determine if something is in motion. An object is in motion if it changes position relative to a reference point.
Hope this helps:)
Can someone PLEASE explain:
Average velocity = u + v / 2
(How do you find the initial and the final velocity in a situation)
A metal block has a density of 5000 kg per cubic meter and a mass of 15,000 kg. What is its volume?
Taking into account the definition of density, the volume of the metal block is 3 m³.
What is densityDensity is defined as the property that matter, whether solid, liquid or gas, has to compress into a given space.
In other words, density is a quantity that allows us to measure the amount of mass in a certain volume of a substance.
Then, the expression for the calculation of density is the quotient between the mass of a body and the volume it occupies:
[tex]density=\frac{mass}{volume}[/tex]
From this expression it can be deduced that density is inversely proportional to volume: the smaller the volume occupied by a given mass, the higher the density.
Volume of the metal blockIn this case, you know that:
Density= 5000 [tex]\frac{kg}{m^{3} }[/tex]Mass= 15000 kgVolume= ?Replacing in the definition of density:
[tex]5000 \frac{kg}{m^{3} } =\frac{15000 kg}{volume}[/tex]
Solving:
volume×5000 [tex]\frac{kg}{m^{3} }[/tex]= 15000 kg
volume= [tex]\frac{15000 kg}{5000 \frac{kg}{m^{3} }}[/tex]
volume= 3 m³
In summary, the volume of the metal block is 3 m³.
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When an electromagnet has an iron core inserted, what happens to the strength of the magnet?.
Answer:
The strength of the electromagnet increases.
Explanation:
This diagram shows a wire with a current flowing through it. What do the circles and arrows around the wire represent?
A) They represent an electromagnetic field.
B) They represent an electric field.
C) They represent attraction between charged particles.
D) They represent a magnetic field.
i will give you full point and mark you as brainiest if you help me please i need it sooner.
The energy of the sun Is a response for the life on earth The planet might take a seat down withinside the liveable radius starting from 0. eighty-five AU to two AU.
Why large planets rotates faster?The large the planet quicker will be the rotation speed, and therefore shortest the time to take rotate across the axis. The large planets are exceedingly greater solid whilst as compared to the small planet system.
The hazards are
• With improved size, the quantity of gravitational enchantment posed via way of means of the planet might additionally increase. This might cause attracting outer area asteroids and consequential crater impact.
• The large the size, the farther it'd be from the big name to atone for the hydrostatic balance, hence reducing the possibilities for it being an inhabitable area.
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Explain the meaning and use of the following acronyms: HELIOS, Exo-FMS, HAZMAT, NIRSpec.
Answer:
HELIOS- The god of the sun in
HAZMAT-Hazardous materials
NIRSpec- Near Infrared Spectrograph
Explanation:
The acronyms will be:
HELIOS: personification of the SunExo-FMS: EXO flexible manufacturing ystemHAZMAT: hazardous materialsNIRSpec.: Near-infrared spectroscopyHow to explain the acronyms?HAZMAT is an abbreviation for “hazardous material that is the substances in quantities or forms that may pose a reasonable risk to health, property, or the environment.
Near-infrared spectroscopy (NIRS) is a brain imaging method that measures light absorbance to calculate oxy-hemoglobin (oxy-HB) and deoxy-hemoglobin.
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