3 years ago

Which state of matter has the MOST energy?

Physics

1 answer:

Nonamiya [84]3 years ago

4 0

Answer:

Gas

Explanation:

The gas state of matter has the most energy because of how freely the molecules move

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Two marbles, one twice as heavy as the other, are dropped to the ground from the roof of a building. Just before hitting the gro

Andreyy89

Answer:

B. twice as much kinetic energy

Explanation:

Lets take the mass of the first marble =2 m

the mass of the second marble = m

We know that velocity of particle does not depends on their mass that is the velocity of both mass will be same after dropping from the roof.

We know that kinetic energy of a mass is given as

$KE=\dfrac{1}{2}Mv^2$

Kinetic energy for heavier mass

$KE=\dfrac{1}{2}\times 2m\times V^2$

Kinetic energy for light mass

$KE'=\dfrac{1}{2}\times m\times V^2$

KE=2 KE '

Form above two equation we can say that ,the kinetic energy for the heavier mass is twice the lighter mass.

Therefore the answer will be B.

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3 years ago

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quester [9]

The North Pole would be your answer

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How much work is accomplished when a force of 250 N pushes a box across the floor for a distance of 50 meters?

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In this case, work = 250N*50m = 12500 J

So the answer is D) 12,500 J

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A car starts from rest and drives at 45 m/s in 20 s. how far did it travel

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Answer:

Explanation:

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