A batsman hits back a ball of mass 0 . 4 kg straight in the direction of the bowler without changing its initial speed of 15 m s - 1 . The impulse imparted to the ball is _____ N s .

Question

A batsman hits back a ball of mass 0 . 4 kg straight in the direction of the bowler without changing its initial speed of 15 m s - 1 . The impulse imparted to the ball is _____ N s .,

MARKS App · Accepted Answer

Impulse, J = ∫ F d t = Change in momentum Therefore, Impulse, Δ p = m v - - m v = 2 m v = 2 × 0 . 4 × 15 = 12 N s

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