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If a ball is thrown in the air with a velocity42ft/s, its height in feet t seconds later is given by y =42 t 16
If a ball is thrown in the air with a velocity42ft/s, its height in feettseconds later is given byy=42t16t2.
(a) Find the average velocity for the time period beginning whent= 2 and lasting
(i)0.5 second.
ft/s
(ii)0.1 second.
ft/s
(iii)0.05 second.
ft/s
(iv)0.01 second.
ft/s
(b) Estimate the instantaneous velocity whent= 2.
ft/s
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