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1. A golfer strikes a 0.058-kg golf ball initially at rest with a force of 272 N and gives a velocity of 62.0 m/s. How long was the golfer's club in contact with the ball?

1. A golfer strikes a 0.058-kg golf ball initially at rest with a force of 272 N and gives a velocity of 62.0 m/s. How long was the golfer's club in contact with the ball?

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Directions: Read carefully and answer the questions below. Express your final answer in the correct significant figure and unit (symbol). 1. A golfer strikes a 0.058-kg golf ball initially at rest with a force of 272 N and gives a velocity of 62.0 m/s. How long was the golfer's club in contact with the ball? 2. A 0.145-kg baseball is pitched at 42 m/s horizontally to the right. The batter hits it horizontally back to the pitcher at 58 m/s. If the ball and bat are in contact for 4.6 x 10 s, what is the average force during the contact? (Hint: Recall that momentum and impulse are vectors. You need to consider the directions of velocities.) (Zitzewitz et.al., 2006) 3. A 0.24-kg volleyball approaches Tina with a velocity of 3.8 m/s. Tina bumps the ball, giving it a speed of 2.4 m/s but in the opposite direction. What average force did she apply if the interaction time between her hands and the ball was 0.025 s? (Zitzewitz et.al., 2006) 4. A ball of mass 0.150 kg is dropped from rest from a height of 1.25 m. It rebounds from the floor to reach a height of 0.960 m. What impulse was given to the ball by the floor? (Hint: The ball's speed before it reaches the floor is different from its speed after bouncing)
Transcribed Image Text:Directions: Read carefully and answer the questions below. Express your final answer in the correct significant figure and unit (symbol). 1. A golfer strikes a 0.058-kg golf ball initially at rest with a force of 272 N and gives a velocity of 62.0 m/s. How long was the golfer's club in contact with the ball? 2. A 0.145-kg baseball is pitched at 42 m/s horizontally to the right. The batter hits it horizontally back to the pitcher at 58 m/s. If the ball and bat are in contact for 4.6 x 10 s, what is the average force during the contact? (Hint: Recall that momentum and impulse are vectors. You need to consider the directions of velocities.) (Zitzewitz et.al., 2006) 3. A 0.24-kg volleyball approaches Tina with a velocity of 3.8 m/s. Tina bumps the ball, giving it a speed of 2.4 m/s but in the opposite direction. What average force did she apply if the interaction time between her hands and the ball was 0.025 s? (Zitzewitz et.al., 2006) 4. A ball of mass 0.150 kg is dropped from rest from a height of 1.25 m. It rebounds from the floor to reach a height of 0.960 m. What impulse was given to the ball by the floor? (Hint: The ball's speed before it reaches the floor is different from its speed after bouncing)
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