Question

A train moves with a velocity of 30 ms. A boy on the upper berth drops a ball of mass 100 g. the K
E of the ball with respect to
1) a person on the ground and
(ii) for person sitting in the train at the time of dropping
a) 45 J, OJ
b) 0J ,45J
c) 225 J, 22.5 J
d) 45 J,45J
I want with solution and
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Answer 1

Answer:

a) 45 J,OJ

answer is suret