Question

2. A ball of mass 1 kg and another of mass
2 kg are dropped from a tall building
whose height is 80 m. After, a fall of 40
m each towards Earth, their respective
kinetic energies will be in the ratio of
(a) 2^:1
(b) 1:2^
(c) 2:1
(d) 1:2​

Answer 1

Explanation:

c is ans of your questions