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Q.

A ball of mass 150g starts moving with an acceleration of 20 m/s2.When hit by a force, which acts on it for 0.1 sec. The impulsive force is

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a

0.5 N-s

b

0.1 N-s

c

0.3 N-s

d

1.2 N-s

answer is C.

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Detailed Solution

Impulse = Force x time = m a t=0.15×20×0.1=0.3 N​-​s
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