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Author Question: A turntable 45 cm in diameter starts from rest and makes its first complete revolution in 3.4 s with ... (Read 41 times)

vicotolentino

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on: Jul 29, 2018
A turntable 45 cm in diameter starts from rest and makes its first complete revolution in 3.4 s with constant angular acceleration.
 
  If it maintains the same acceleration, how long will it take the turntable to make its second complete revolution?

Question 2

You carry a 7.0-kg bag of groceries 1.2m above the ground at constant speed across a 2.7m room. How much work do you do on the bag in the process?
 
  A) 157 J B) 82 J C) 0.00 J D) 185 J


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at

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Reply #1 on: Jul 29, 2018
Answer to Question 1

1.4 s

Answer to Question 2

C


vicotolentino

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Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)

bitingbit

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Reply 3 on: Yesterday
Excellent

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