A box of mass 4.0 kg hangs by a cable from the ceiling of an elevator. The elevator is moving up at a steady speed of 5.0 m/s for 8.0 m. Use g = 10 m/s2. Match the answers with questions. the final kinetic energy of the box (Kf) the change in kinetic energy of the box (ΔK)A.-20 JB.-320 JC.20 JD.50 JE.0 JF.320 JG.-50 J

Name: A box of mass 4.0 kg hangs by a cable from the ceiling of an elevator.
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Description: A box of mass 4.0 kg hangs by a cable from the ceiling of an elevator. The elevator is moving up at a steady speed of 5.0 m/s for 8.0 m. Use g = 10 m/s2. Match the answers with questions.

Given:- A box of mass m = 4.0 kg The elevator is moving up at a steady speed u = 5.0 m/s The…

Answered: A box of mass 4.0 kg hangs by a cable…

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter8: Conservation Of Energy

Section: Chapter Questions

Problem 3PQ

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A box of mass 4.0 kg hangs by a cable from the ceiling of an elevator. The elevator is moving up at a steady speed of 5.0 m/s for 8.0 m. Use g = 10 m/s². Match the answers with questions.

	the final kinetic energy of the box (K_f)
	the change in kinetic energy of the box (ΔK)

A.	-20 J
B.	-320 J
C.	20 J
D.	50 J
E.	0 J
F.	320 J
G.	-50 J

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