A player tosses a tennis ball vertically upward with an initial speed of 5 m/s from a height of about 2.0 m above the ground to test if the ball is good or not. The ball was made to bounce freely on the floor after it was tossed. What is the potential energy of the ball just before it reaches the floor taking the point of release to be at a zero potential? (Assume the mass of the tennis ball to be 56 grams) Question 16

College Physics
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Chapter1: Units, Trigonometry. And Vectors
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Question 15
A player tosses a tennis ball vertically upward with an initial speed of 5 m/s from a height of about 2.0 m above the ground to test if the ball is good or not.
The ball was made to bounce freely on the floor after it was tossed. What is the potential energy of the ball just before it reaches the floor taking the point of
release to be at a zero potential? (Assume the mass of the tennis ball to be 56 grams)
Question 16
An ultracentrifuge accelerates from rest to 10, 500 rad/s in 2.00 min. How many radians did it rotate for the 2.00 min. time interval?
Question 17
During an ice show, a 75.0-kg skater leaps into the air and is caught by an initially stationary 60.0-kg skater. What is the final momentum of the two skaters
X just after the 60.0-kg skater was caught? Assume that the 75-kg skater has a horizontal velocity of 4.0 m/s
Transcribed Image Text:HELP CENTER Question 15 A player tosses a tennis ball vertically upward with an initial speed of 5 m/s from a height of about 2.0 m above the ground to test if the ball is good or not. The ball was made to bounce freely on the floor after it was tossed. What is the potential energy of the ball just before it reaches the floor taking the point of release to be at a zero potential? (Assume the mass of the tennis ball to be 56 grams) Question 16 An ultracentrifuge accelerates from rest to 10, 500 rad/s in 2.00 min. How many radians did it rotate for the 2.00 min. time interval? Question 17 During an ice show, a 75.0-kg skater leaps into the air and is caught by an initially stationary 60.0-kg skater. What is the final momentum of the two skaters X just after the 60.0-kg skater was caught? Assume that the 75-kg skater has a horizontal velocity of 4.0 m/s
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