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Author Question: A 3.50-kg block is pulled along a moving conveyor belt at a constant speed of 0.500 m/s relative to ... (Read 123 times)

silviawilliams41

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on: Jul 28, 2018
A 3.50-kg block is pulled along a moving conveyor belt at a constant speed of 0.500 m/s relative to a stationary observer while the belt moves at a constant speed of 0.200 m/s in the opposite direction. If the coefficient of kinetic friction is 0.400, the magnitude of the mechanical energy dissipated, in J, caused by the force of friction on the block in 8.00 s is
 a. 5.6.
  b. 22.0.
  c. 32.9.
  d. 54.8.
  e. 76.8.

Question 2

A 3.50-kg block is pulled along a moving conveyor belt at a constant speed of 0.500 m/s relative to a stationary observer while the belt moves at a constant speed of 0.200 m/s in the same direction. If the coefficient of kinetic friction is 0.400, the magnitude of the mechanical energy dissipated, in J, caused by the force of friction on the block in 8.00 s is
 a. 5.6.
  b. 22.0.
  c. 32.9.
  d. 54.8.
  e. 76.8.


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snackralk

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Reply #1 on: Jul 28, 2018
Answer to Question 1

e

Answer to Question 2

c


silviawilliams41

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Reply 2 on: Jul 28, 2018
Gracias!

carlsona147

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Reply 3 on: Yesterday
Excellent

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