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18. Exercises

Revision as of 13:47, 17 November 2009 by Ian (Talk | contribs)

Exercises

As a car moves along a straight rod the distance, s metres, of a car from the origin at time t seconds is given by:

s=3t3−t460 for 0t10.

a) By differentiating, find an expression for the velocity of the car at time t.

b) Find an expression for the acceleration of the car at time t.

c) Find the times when the acceleration of the car is zero.