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College Physics | 1st Edition | ISBN: 9781938168000 | Authors: Paul Peter Urone, Roger Hinrichs
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Answer the following questions for projectile motion on

Chapter 3, Problem 13

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QUESTION:

Problem 13CQ

Answer the following questions for projectile motion on level ground assuming negligible air resistance (the initial angle being neither 0º nor 90º): (a) Is the velocity ever zero? (b) When is the velocity a minimum? A maximum? (c) Can the velocity ever be the same as the initial velocity at a time other than at t = 0 ? (d) Can the speed ever be the same as the initial speed at a time other than at t = 0 ?

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QUESTION:

Problem 13CQ

Answer the following questions for projectile motion on level ground assuming negligible air resistance (the initial angle being neither 0º nor 90º): (a) Is the velocity ever zero? (b) When is the velocity a minimum? A maximum? (c) Can the velocity ever be the same as the initial velocity at a time other than at t = 0 ? (d) Can the speed ever be the same as the initial speed at a time other than at t = 0 ?

ANSWER:

Solution

Step 1 of Step 5

To this problem we will assume projectile motion equation and a small figure how it works. The figure is given below, A player heating a football in the air from the ground.

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