Question

A 2 kg ball & a 4 kg ball are dropped from a height of 40 m. At what height will the 2 kg ball be, when the K.E of the balls are equal?
A). 10 m
B). 20 m
C). 30 m
D). 25 m
E). 40 m​

Answer 1

Answer:

E

KE is directly proportional to mass and height,

therefore,

the height of 2 kg ball will be 40m,when the KE of both balls are equal.

Answer 2

Answer:

Correct ans is 40m

I hope it's hellpfull