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Author Question: Jamal pulls a 150-N sled up a 28.0 slope at constant speed by a force of 120 N. Near the top of the ... (Read 195 times)

gonzo233

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on: Jul 28, 2018
Jamal pulls a 150-N sled up a 28.0 slope at constant speed by a force of 120 N. Near the top of the hill he releases the sled. With what acceleration does the sled go down the hill?
 a. 1.20 m/s2
  c. 2.22 m/s2
  b. 1.36 m/s2
  d. 2.67 m/s2

Question 2

A 150-N sled is pulled up a 28 slope at a constant speed by a force of 120 N. What is the coefficient of kinetic friction between sled and slope?
 a. 0.53
  c. 0.37
  b. 0.22
  d. 0.33


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lolol

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

B

Answer to Question 2

C


gonzo233

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Reply #2 on: Jul 28, 2018
Thank you!


lolol

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Reply #3 on: Jul 28, 2018
Always glad to help...


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