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Jack lifts a 60-kg crate onto a truck bed 1 meter high in 3 seconds. Jill lifts sixty 1-kg boxes onto the same truck in a time of 2 minutes. Which of the following statements is true? A They do the same amount of work, but Jack operates at a higher power level. B They do the same amount of work, but Jill operates at a higher power level. Jill does more work than Jack does. D) Jack does more work than Jill does.

Jack lifts a 60-kg crate onto a truck bed 1 meter high in 3 seconds. Jill lifts sixty 1-kg boxes onto the same truck in a time of 2 minutes. Which of the following statements is true? A They do the same amount of work, but Jack operates at a higher power level. B They do the same amount of work, but Jill operates at a higher power level. Jill does more work than Jack does. D) Jack does more work than Jill does.

An Introduction to Physical Science
An Introduction to Physical Science
14th Edition
ISBN:9781305079137
Author:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres
Publisher:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres
Chapter4: Work And Energy
Section4.4: Power
Problem 4.3CE: A student expends 7.5 W of power in lifting a textbook 0.50 m in 1.0 s with a constant velocity. (a)...
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Jack lifts a 60-kg crate onto a truck bed 1 meter high in 3 seconds. Jill lifts sixty 1-kg boxes onto the same truck in a time of 2 minutes. Which of the following statements is true? (A) They do the same amount of work, but Jack operates at a higher power level. B) They do the same amount of work, but Jill operates at a higher power level. c) jill does more work than Jack does. Jack does more work than Jill does.
Transcribed Image Text:Jack lifts a 60-kg crate onto a truck bed 1 meter high in 3 seconds. Jill lifts sixty 1-kg boxes onto the same truck in a time of 2 minutes. Which of the following statements is true? (A) They do the same amount of work, but Jack operates at a higher power level. B) They do the same amount of work, but Jill operates at a higher power level. c) jill does more work than Jack does. Jack does more work than Jill does.
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