If a ball is thrown into the air with a velocity of 40 ft/s, its height in feet after t seconds is given by y=40t−16t2.
(a) Find the average velocity for the time period beginning with t=2:
(1) .5 second
(2) .1 second
(3) .05 second
(4) .01 second
(b) Find the instantaneous velocity when t=2.
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STM32 (1)
