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 the ratio of
A
: 1
B
1 : 4
C
1: 2
D
1: 
Text Solution
Verified by ExpertsThe correct answer is:
C
: Ratio of their kinetic energy is given as 
(zero initial velocity)
which is same for both
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