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A ball is thrown into the air by a baby alien on a planet in the...

A ball is thrown into the air by a baby alien on a planet in the system of Alpha Centauri with a velocity of 47 ft/s. Its height in feet after t seconds is given by y=47t−17t2y=47t-17t2.

A. Find the average velocity for the time period beginning when t=2 and lasting

.01 s:    
.005 s:    
.002 s:    
.001 s:    
NOTE: For the above answers, you may have to enter 6 or 7 significant digits if you are using a calculator.

Estimate the instanteneous velocity when t=2.   

Math   Calculus   
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