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Author Question: A technician pushes a 50-lb box 4 feet in 2 seconds. The rate of work is: A) 50 lb. B) 50 lb 4 ... (Read 56 times)

pragya sharda

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on: Jul 24, 2018
A technician pushes a 50-lb box 4 feet in 2 seconds. The rate of work is:
 
  A) 50 lb. B) 50 lb  4 ft = 200 ft-lb.
  C) 4 ft-lb. D) 200 ft-lb/2 s= 100 ft-lb/s.

Question 2

Kinetic energy is:
 
  A) Purely theoretical.
  B) Stored energy.
  C) Energy in motion.
  D) An energy source with promise that has not found practical application.


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katheyjon

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Reply #1 on: Jul 24, 2018
Answer to Question 1

D

Answer to Question 2

C


pragya sharda

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Reply #2 on: Jul 24, 2018
Thank you!


katheyjon

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Reply #3 on: Jul 24, 2018
Always glad to help...


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