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A particle of mass 5kg moving in the X-Y...

A particle of mass `5kg` moving in the `X-Y` plane has its potential energy given by `U=(-7x+24y) J`. The particle is initially at origin and has a velocity `vec(U)=(14.4+4.2J)m//s`

A

Theparticlehasaspeedof35m/sat`t=4`s.

B

Theparticlehasanaccelerationof`5m//s^(2)`.

C

Theaccelerationoftheparticleisperpendiculartoitsinitialvelocity.

D

Noneoftheaboveiscorrect.

Text Solution

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The correct Answer is:
A, B, C
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