A cricket ball of mass 0 . 25 kg with speed 10 m s - 1 hits a bat and returns with same speed within 0 . 01 s . The force acted on the bat is

Question

A cricket ball of mass 0 . 25 kg with speed 10 m s - 1 hits a bat and returns with same speed within 0 . 01 s . The force acted on the bat is, 25 N, 50 N, 250 N, 500 N

MARKS App · Accepted Answer

v = v ' = 10 m s - 1 F = Δ p Δ t F = m Δ v Δ t F = m ( v ' − v ) Δ t F = 0.25 ( 10 − ( − 10 ) ) 0.01 s F = 5 0.01 F = 500 N

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