Question

q.29 if momentum is increased by 20%, then kinetic energy increases by

Answer 1

hope this will help you.. :-)

Answer 2

Answer:

44%

Explanation:

Short cut to find K.E when % in momentum

2(n)+n2/100

hence, 2(20)=(20)2/100

40=400/100

40=4

=40+4

=44% Ans