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A particle of unknown mass is acted upon...

A particle of unknown mass is acted upon by a force `vecF=(100e^(-2t)hati) N`. If at t = 0.00 s the particle is at rest, for the time interval t=0.00 s to t= 2.00 s find (a) the impulse on the particle and (b) the average force on the particle.

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The correct Answer is:
(a)(49.1 N.s)`hati` ; (b) (24.5 N) `hati`
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