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A particle moves along the x-axis from `x=0` to `x=5m` under the influnce of a given by
`F =7-2x + 3x^(2)`. The instantaneous power applied to the particle is.
A. `360 J`
B. `85 J`
C. `185 J`
D. `135 J`

1 Answer

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Best answer
Correct Answer - D
`W =int_(0)^(5)Fdx =int_(0)^(5)(7-2x + 3x^(2)) dx`
`=135 J`

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