[Answered] A technician pushes a 50-lb box 4 feet in 2 seconds. The rate of work is: A) 50 lb. B) 50 lb 4 ...

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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 57 times)

pragya sharda

Hero Member
Posts: 566

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

Sr. Member
Posts: 331

Reply #1 on: Jul 24, 2018

Answer to Question 1

D

Answer to Question 2

C

pragya sharda

Hero Member
Posts: 566

Reply #2 on: Jul 24, 2018

Thank you!

katheyjon

Sr. Member
Posts: 331

Reply #3 on: Jul 24, 2018

Always glad to help...

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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 57 times)

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