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A 1.5 kg block is initially at rest on ...

A `1.5 kg` block is initially at rest on a horizontal frictionless surface. A horizontal force `vec F=(4-x^(2))hat i` is applied on the block. Initial position of the block is at `x = 0`. The maximum kinetic enery of the block between `x = 0` and `x = 2m` is

A

`2.33 J`

B

`8.67 J`

C

`5.33 J`

D

`6.67 J`

Text Solution

Verified by Experts

The correct Answer is:
C
`Deltak = W rArr K_(f) = underset(0) overset(x) int(4-x^(2)).dx`.
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