A 2400 kg elevator accelerates upward at 1.40 m/s² for 15.0 m , starting from rest.

College Physics
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ISBN:9781285737027
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter5: Energy
Section: Chapter Questions
Problem 7P: A sledge loaded with bricks has a total mass of 18.0 kg and it pulled at constant speed by a rope...
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Part D, please. Thank you!

A 2400 kg elevator accelerates upward at 1.40 m/s? for 15.0 m , starting from rest.
-3.53×105 J
Submit
Previous Answers
Correct
Part B
How much work does the tension in the elevator cable do on the elevator?
Express your answer with the appropriate units.
4.03x105 J
Submit
Previous Answers
v Correct
Part C
Use the work-kinetic energy theorem to find the kinetic energy of the elevator as it reaches 15.0 m.
Express your answer with the appropriate units.
5.04x104 J
Submit
Previous Answers
v Correct
Part D
What is the speed of the elevator as it reaches 15.0 m ?
Express your answer with the appropriate units.
HA
?
16500
Submit
Previous Answers Reguest Answer
X Incorrect; Try Again; One attempt remaining
Enter your answer using units of velocity.
Transcribed Image Text:A 2400 kg elevator accelerates upward at 1.40 m/s? for 15.0 m , starting from rest. -3.53×105 J Submit Previous Answers Correct Part B How much work does the tension in the elevator cable do on the elevator? Express your answer with the appropriate units. 4.03x105 J Submit Previous Answers v Correct Part C Use the work-kinetic energy theorem to find the kinetic energy of the elevator as it reaches 15.0 m. Express your answer with the appropriate units. 5.04x104 J Submit Previous Answers v Correct Part D What is the speed of the elevator as it reaches 15.0 m ? Express your answer with the appropriate units. HA ? 16500 Submit Previous Answers Reguest Answer X Incorrect; Try Again; One attempt remaining Enter your answer using units of velocity.
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