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A batsman hits back a ball of mass 0.2 k...

A batsman hits back a ball of mass 0.2 kg, straight in the direction of the bowler without chaning its initial speed of 6 m/s. What is the impulse impated to the ball?

A

1.6N-s

B

2.4N-s

C

3.2N-s

D

4 N-s

Text Solution

Verified by Experts

The correct Answer is:
B
Impulse = Change in momentum
`therefore J= mv- (-mv)= 2mv`
`therefore J= 2xx0.2 xx6 = 2.4` N-s
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Knowledge Check

  • A ball of mass m is moving towards a batsman at a speed v. The batsman strikes the ball and deflects it by an angle theta without changing its speed. The impulse imparted to the ball is given by

    A
    `mv cos theta`
    B
    `mv sin theta`
    C
    `2mv cos((theta)/(2))`
    D
    `2mv sin((theta)/(2))`

  • STATEMENT - 1 : A ball of mass m is moving towards a batsman at a speed v. The batsman strikes the ball and deflects it by an angle theta without changing its speed. The impulse imparted to the ball is zero. because STATEMENT - 2 : Impulse = change in momentum.

    A
    Statement - 1 is True, Statement - 2 is True, Statement - 2 is a correct explanation for Statement - 1.
    B
    Statement - 1 is True, Statement - 2 is True, Statement - 2 is NOT a correct explanation for statement - 1.
    C
    Statement - 1 is True, Statement - 2 is False.
    D
    Statement - 1 is False, Statement - 2 is True.

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