4. How much power is needed to lift a 49 kg person a vertical distance of 5.0 m in 20.0s ?A 12.5 WC. 120 WB. 210 WD. 25 W5. Greg applies a force of 100 N to move a box 5 meters. How much work did he do?A. 100 JB. 5 JC. 500 JD. 500 N

GIVEN mass of a person (m)=49 kg distance(d)=5m time=20 sec work done=(force)(displacement) here…

4. How much power is needed to lift a 49 kg person a vertical distance of 5.0 m in 20.0s ? A 12.5 W B. 210 W C. 120 W D. 25 W 5. Greg applies a force of 100 N to move a box 5 meters. How much work did he do? D. 500 N A. 100 J B. 5J C. 500 J

4. How much power is needed to lift a 49 kg person a vertical distance of 5.0 m in 20.0s ? A 12.5 W B. 210 W C. 120 W D. 25 W 5. Greg applies a force of 100 N to move a box 5 meters. How much work did he do? D. 500 N A. 100 J B. 5J C. 500 J

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter7: Work, Energy, And Energy Resources

Section: Chapter Questions

Problem 2CQ: Give an example of a situation in which there is a force and a displacement, but the force does no...

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Question

4. How much power is needed to lift a 49 kg person a vertical distance of 5.0 m in 20.0s ?
A 12.5 W
C. 120 W
B. 210 W
D. 25 W
5. Greg applies a force of 100 N to move a box 5 meters. How much work did he do?
A. 100 J
B. 5 J
C. 500 J
D. 500 N

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