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Author Question: A block is launched up an incline plane. After going up the plane, it slides back down to its ... (Read 120 times)

Destiiny22

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on: Jul 28, 2018
A block is launched up an incline plane. After going up the plane, it slides back down to its starting position. The coefficient of friction between the block and the plane is 0.3 . The speed of the block when it reaches the starting position on the trip down:
 a. is the same as the launching speed.
  b. is less than the launching speed.
  c. is more than the launching speed.
  d. cannot be compared to the launch speed with the information given.

Question 2

A block is launched up an incline plane. After going up the plane, it slides back down to its starting position. The coefficient of friction between the block and the plane is 0.3 . The time for the trip up the plane:
 a. is the same as the time for the trip down.
  b. is more than the time for the trip down.
  c. is less than the time for the trip down.
  d. cannot be found without knowing the angle of inclination.


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Missbam101

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

b

Answer to Question 2

c


Destiiny22

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Reply 2 on: Jul 28, 2018
Excellent

xiaomengxian

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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