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JEE Main 202226 JuneEvening Shift

Exam: JEE Main
Year: 2022
Date: 26 June
Shift: Evening Shift
Subject: Physics
Chapter: Center of Mass, Momentum and Collision

JEE Main 2022 · 26 June · Evening Shift · Physics · Center of Mass, Momentum and Collision

A batsman hits back a ball of mass 0 . 4kg straight in the...

A batsman hits back a ball of mass

0 . 4kg

straight in the direction of the bowler without changing its initial speed of

15{ms}^{- 1}

. The impulse imparted to the ball is _____

Ns

.

A batsman hits back a ball of mass 0 . 4kg straight in the direction of the bowler without changing its initial speed

Correct answer

0

Step-by-step solution

A batsman hits back a ball of mass 0 . 4kg straight in the direction of the bowler without changing its initial speed

Impulse, $J = ∫ Fdt =$ Change in momentum

Therefore,
Impulse, $\Deltap = mv - \left(- mv\right) = 2mv = 2 \times 0 . 4 \times 15 = 12Ns$

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