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Author Question: If a turntable's rotational speed is doubled, then the linear speed of a pet hamster sitting on the ... (Read 62 times)

abc

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If a turntable's rotational speed is doubled, then the linear speed of a pet hamster sitting on the edge of the record will
 
  A) double.
  B) halve.
  C) remain the same.

Question 2

Newton's Cradle consists of an aligned row of identical elastic balls suspended by strings so they barely touch one another. When two balls are raised from one end and released, they strike the row and two balls pop out from the other end.
 
  If instead, one ball popped out with twice the speed of the two, this would violate
  A) momentum conservation.
  B) energy conservation.
  C) both of these
  D) none of these



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JaynaD87

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Answer to Question 1

Answer: A

Answer to Question 2

Answer: B




abc

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Reply 2 on: Jul 29, 2018
YES! Correct, THANKS for helping me on my review


kusterl

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

 

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