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A ball of mass 2 kg and another of mass 4 kg are dropped together from a 60 ft tall building. After a fall of 30 ft each towards the earth,their respective kinetic energies will be in the ratio of
Options
(a) √2:1
(b) 1:4
(c) 1:2
(d) 1:√2
Correct Answer:
1:2
Explanation:
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