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On an exo-planet, a 70-kg astronaut steps on a scale and finds that the scale reads 246 N. A survival pack is dropped a distance 85 m to the ground.

On an exo-planet, a 70-kg astronaut steps on a scale and finds that the scale reads 246 N. A survival pack is dropped a distance 85 m to the ground.

(a) How fast will the survival pack be moving just before it hits the ground?
(b) Take the ratio of this speed with the speed of the survival pack if it was dropped on earth

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