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Mathematics

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If a ball is thrown in the air with a velocity 50 ft/s, its height in feet t seconds lateris given by y = 50t -16t2.
(a) Find the average velocity for the timeperiod beginning when t = 2 and lasting 0.5 second.
ft/s
(b) Find the average velocity for the time period beginning whent = 2 and lasting 0.1 second.
ft/s
(c) Find the average velocity for the time period beginning whent = 2 and lasting 0.05 second.
ft/s
(d) Find the average velocity for the time period beginning whent = 2 and lasting 0.01 second.
ft/s
(e) Estimate the instantaneous velocity when t = 2.
t/s

Answer :

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