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Author Question: Consider a string with several rocks tied along its length at equally spaced intervals. You whirl ... (Read 53 times)

Mr.Thesaxman

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on: Jul 29, 2018
Consider a string with several rocks tied along its length at equally spaced intervals. You whirl the string overhead so that the rocks follow circular paths. Compared with a rock at the end of the string, a rock at the middle moves
 
  A) half as fast.
  B) twice as fast.
  C) at the same linear speed.

Question 2

As you crawl toward the edge of a large freely-rotating horizontal turntable in a carnival funhouse, the angular momentum of you and the turntable
 
  A) decreases.
  B) increases.
  C) remains the same, but the revolutions per minute decrease.
  D) decreases in direct proportion to your decrease in revolutions per minute.
  E) none of these


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bobsmith

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

Answer: A

Answer to Question 2

Answer: C


Mr.Thesaxman

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Reply 2 on: Jul 29, 2018
Wow, this really help

tkempin

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Reply 3 on: Yesterday
:D TYSM

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