   Chapter 2, Problem 51P

Chapter
Section
Textbook Problem

A tennis player tosses a tennis ball straight up and then catches it after 2.00 s at the same height as the point of release. (a) What is the acceleration of the ball while it is in flight? (b) What, is the velocity of the ball when it reaches its maximum height? Find (c) the initial velocity of the ball and (d) the maximum height it reaches.

(a)

To determine
The acceleration of the ball while it is in flight.

Explanation

The ball is falling free under the gravitational force when it leaves the player’s hand. The acceleration acting on the ball has a magnitude of acceleration due to gravity. The acceleration due to gravity is of 9.80m/s2 magnitude. The acceleration is acting downwards.

Thus, the acceleration of the ball while it is in flight is 9

(b)

To determine
The velocity of the ball at the maximum height.

(c)

To determine
The initial velocity of the ball.

(d)

To determine
The maximum height the ball reaches.

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