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A particle of mass m is projectile with ...

A particle of mass m is projectile with veoocity u making an angle of `45^(@)` with the horizontal.When the particle lands on the level ground, the magnitude of the change in its momentum will be

A

`mvsqrt(2)`

B

zero

C

2 mv

D

`mv//sqrt(2)`

Text Solution

Verified by Experts

The correct Answer is:
A

`|overlineDeltaoverlineP|=2mv sin theta`
`=2xx mvxxsin4%^(@)`
`=sqrt(2)mv`
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ALLEN-MOTION IN A PALNE-EXERCISE-1
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