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If a point moves in a straigth line in such a manner that its retardation is porportional to its speed, the distance covered (x) is associated with speed (v) is -

A

` x prop v `

B

` x prop v^(2)`

C

`x prop v^(3)`

D

`x prop v `

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The correct Answer is:
D
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MOTION-ONE DIMENSION MOTION-EXERCSE -2 (A : Distance, Displacement, Velocity and Acceleration, Equation of Motion)
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  8. If a point moves in a straigth line in such a manner that its retardat...

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  13. A particle travels with constant speed on a circle of radius 3 metres ...

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