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Two friends, Joe and Sam, go to the gym together to strength train. They decide to start off with an exercise called flat bench press. Lying flat on a bench with his arms in an extended position, each friend slowly lowers (to his chest) and then raises a barbell back to the starting position. They start off by using a 33.0 kg barbell. Joe is taller than Sam, which means Joe's arms are 58.8 cm long whereas Sam's are 61.0 cm. Calculate the work done by Joe Woe when he raises the barbell to finish one repetition. The acceleration due to gravity is 9.81 m/s². WJoe = J

Two friends, Joe and Sam, go to the gym together to strength train. They decide to start off with an exercise called flat bench press. Lying flat on a bench with his arms in an extended position, each friend slowly lowers (to his chest) and then raises a barbell back to the starting position. They start off by using a 33.0 kg barbell. Joe is taller than Sam, which means Joe's arms are 58.8 cm long whereas Sam's are 61.0 cm. Calculate the work done by Joe Woe when he raises the barbell to finish one repetition. The acceleration due to gravity is 9.81 m/s². WJoe = J

Principles of Physics: A Calculus-Based Text
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter10: Rotational Motion
Section: Chapter Questions
Problem 31P: Figure P10.31 shows a claw hammer being used to pull a nail out of a horizontal board. The mass of...
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Two friends, Joe and Sam, go to the gym together to strength train. They decide to start off with an exercise called flat bench press. Lying flat on a bench with his arms in an extended position, each friend slowly lowers (to his chest) and then raises a barbell back to the starting position. They start off by using a 33.0 kg barbell. Joe is taller than Sam, which means Joe's arms are 68.8 cm long whereas Sam's are 61.0 cm. Calculate the work done by Joe Woe when he raises the barbell to finish one repetition. The acceleration due to gravity is 9.81 m/s². WJoe = Remember, Sam also does the exercise. How does the amount of work Sam does Wsam lifting the weight compare to that of Joe? WSam WJoe WSam < WJoe Wsam > WJoe J
Transcribed Image Text:Two friends, Joe and Sam, go to the gym together to strength train. They decide to start off with an exercise called flat bench press. Lying flat on a bench with his arms in an extended position, each friend slowly lowers (to his chest) and then raises a barbell back to the starting position. They start off by using a 33.0 kg barbell. Joe is taller than Sam, which means Joe's arms are 68.8 cm long whereas Sam's are 61.0 cm. Calculate the work done by Joe Woe when he raises the barbell to finish one repetition. The acceleration due to gravity is 9.81 m/s². WJoe = Remember, Sam also does the exercise. How does the amount of work Sam does Wsam lifting the weight compare to that of Joe? WSam WJoe WSam < WJoe Wsam > WJoe J
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