How does density change when the state of matter changes from solid to liquid? help I’ll love you forever <3

Answer is in the photo. I can't attach it here, but I uploaded it to a file hosting. link below! Good Luck!

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There is only a small difference between the density of a liquid and its corresponding solid, eg water and ice. This is because the particles are tightly packed in both states. The same number of particles in a gas spread further apart than in the liquid or solid states. This means the gas is less dense.

Explanation:

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acceleration = (change in speed) / (time for the change)

change in speed = (20-120)= -100 m/s.

1.5 min = 90 sec

acceleration = -100/90 = -1.11 m/s^2.

we don't care about the 150kg or the 2,500 meters. they don't make any difference.

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