A ball of weight 2 kg and height of 1 m thrown at the speed of 50 km/hr from the height of 42 km .Acceleration due to gravity is 9.6m/s-² Then find
(i) How much power it will hit the earth .
(ii) How much big crater IT will make .
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Explanation:
Acceleration due to gravity on the moon is 1/6 times as that on the earth and we know that mass is property of the material it always remains same and weight is measure of gravitational force, hence
mass of object on moon is 60kg and weight =60g/6=10×10=100N
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