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Author Question: A flywheel's diameter is twice that of another of the same shape and mass. Rotational inertia of the ... (Read 72 times)

audie

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on: Jul 29, 2018
A flywheel's diameter is twice that of another of the same shape and mass. Rotational inertia of the larger flywheel is
 
  A) two times greater.
  B) four times greater.
  C) the same as the other's.
  D) half.

Question 2

A ring and a disk both at rest roll down a hill together. Which rolls slower?
 
  A) ring
  B) disk
  C) depends on the masses
  D) both roll at the same speed
  E) need more information


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aprice35067

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

Answer: B

Answer to Question 2

Answer: A


audie

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Reply 2 on: Jul 29, 2018
Thanks for the timely response, appreciate it

alvinum

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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