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A body of mass 2 kg collides with a wall with speed 100 m/s and rebounds with same speed. If the time of contact was 1/50 second, the force exerted on the wall is

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By Expert Faculty of Sri Chaitanya
ctaimg
a
8 N
b
2×104 N
c
4 N
d
104 N
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detailed solution

Correct option is B

F=dpdt=mdvdt=m×2v1​/​50=2×2×1001​/​50=2×104N


ctaimg

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