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JEEMAIN and NEET
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2004
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Q)
A ball of mass 2 kg and another of mass 4 kg are dropped together from a 60 feet tall building. After a fall of 30 feet each towards earth, their respective kinetic energies will be in t the ratio of-
( A ) $\sqrt1: 2$
( B ) $1:\sqrt 2$
( C ) $1:4$
( D ) $1:2$
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