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In a typical game of squash (Fig. 14–22), two people hit a soft rubber ball at a wall
Chapter 14, Problem 62GP(choose chapter or problem)
Problem 62GP
In a typical game of squash (Fig. 14–22), two people hit a soft rubber ball at a wall until they are about to drop due to dehydration and exhaustion. Assume that the ball hits the wall at a velocity of 22 m/s and bounces back with a velocity of 12 m/s, and that the kinetic energy lost in the process heats the ball. What will be the temperature increase of the ball after one bounce? (The specific heat of rubber is about 1200 J/kg · C°.)
Figure 14–22
Questions & Answers
QUESTION:
Problem 62GP
In a typical game of squash (Fig. 14–22), two people hit a soft rubber ball at a wall until they are about to drop due to dehydration and exhaustion. Assume that the ball hits the wall at a velocity of 22 m/s and bounces back with a velocity of 12 m/s, and that the kinetic energy lost in the process heats the ball. What will be the temperature increase of the ball after one bounce? (The specific heat of rubber is about 1200 J/kg · C°.)
Figure 14–22
ANSWER:
Solution 62 GP
Step 1 of 2:
In this question, we need to find temperature increase of soft rubber which is used to play squash after one bounce
Data given
Initial velocity of the ball
Final velocity of the ball
Specific heat of rubber