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A particle of mass 0.5kg travels in a st...

A particle of mass `0.5kg` travels in a straight line with velocity `v=ax^(3//2)` where `a=5m^(-1//2)s^-1`. What is the work done by the net force during its displacement from `x=0` to `x=2m`?

A

50 J

B

20 J

C

80 J

D

45.5 J

Text Solution

Verified by Experts

The correct Answer is:
`(1)`
`W = Delta KE = 1/2 mv^(2) -1/2 mu^(2)`
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NARAYNA-WORK , ENERGY & POWER -EXERCISE -II (C.W)
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  3. A particle of mass 0.5kg travels in a straight line with velocity v=ax...

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  10. If the mass of a moving body decreased by one third of its initial mas...

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  11. The kinetic energy of a moving body is given by k = 2v^(2), k being in...

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  12. The kinetic energy (KE) versus time graph for a particle moving along ...

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