Question

A ball of mass 0.5 kg is moving with a velocity v of 2 ms. It is subjected to a force of x newton in
2 s. Because of this force, the ball moves with a velocity of 3 ms. The value of x is:-
(2) 8.25 N
(3) 0.25 N
(4) IN
(1) SN​

Answer 1

m=0.5 kg

u= 2m/s

v= 3m/s

t=2s

F = ma

= m (v-u/t)

= 0.5 ( 3 - 2/ 2)

= 0.5 ( 1/2)

= 5/ 20

= 1/4

= 0.25 N

Answer: 3) 0.25 N

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