A large 60g hailstone of ice at 00 celsius falls 150m and, Ask an Expert

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a large 6.0g hailstone of ice at 0.0 celsius falls 150m and undergoes a completely inelastic collision with the earth.

a) what is the speed of the stone as it hits the earth.

b) if half the mechanical energy is absorbed as heat by the hailstone after the collision how much of it melts?

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