The displacement (in feet) of a certain particle moving in a straight line is given by +3 2 y = = (A) Find the average velocity for the time period beginning when t = (i) .01 s: (ii) .005 s: (iii).002 s: (iv) .001 s: 3 and lasting NOTE: For the above answers, you may have to enter 6 or 7 significant digits if you are using a calculator. (B) Estimate the instantaneous velocity when t = 3. Answer:

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