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Problem

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Textbook Expert
Textbook ExpertVerified Tutor
13 Oct 2021

Given information

Given :- The ball is thrown into the air with a velocity of 40 ft/s,and the height of the ball is given by  .

To find :-  find the instantaneous velocity when   .

Step-by-step explanation

Step 1.

Consider the heigt of ball is given by  .

The average velocity of the ball in the time interval is defined as .

 

To find the instantaneous velocity at time , the value of must approches 0.

By substituting 0 for in one can get:

 

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