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A ball with initial momentum vec P colli...

A ball with initial momentum `vec P` collides with rigid wall elastically. If `vec(P^(1))` be its momentum after collision then

A

`vec P^(1) = vec P`

B

`vec P^(1) = -vec P`

C

`vec P^(1) = 2 vec P`

D

`vec P^(1) = -2 vec P`

Text Solution

Verified by Experts

The correct Answer is:
B
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Knowledge Check

  • A ball A moving with momentum 2hati + 4hatj collides with identical ball B moving with momentum 6hatj . After collision momentum of ball B is 10 hatj . Which of the following statement is correct?

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    B
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  • A ball of mass m moving with velocity v , collide with the wall elastically as shown in the figure. After impact the change in angular momentum about P is : .

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  • A ball of mass 3 kg collides with a wall with velocity 10 m/sec at an angle of 30° and after collision reflects at the same angle with the same speed. The change in momentum of ball in MKS unit is-

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