Determine the net rate of work done on this object

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Reference no: EM13274155

The position of a 250g object is given (in meters) by x=5.0t^3 -8.0t^2 -44t , where t is in seconds.

a) Determine the net rate of work done on this object at t =2.1s

b) Determine the net rate of work done on this object at t =3.9s

c) What is the average net power input during the interval from t=0s to t=2.1s ?

d) What is the average net power input during the interval from t=2.1s to t=3.9s?

Reference no: EM13274155

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