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Author Question: A car hits another and the two bumpers lock together during the collision. Is this an elastic or ... (Read 55 times)

lindiwe

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on: Jul 27, 2018
A car hits another and the two bumpers lock together during the collision. Is this an elastic or inelastic collision?
 
  A) elastic
  B) inelastic
  C) insufficient information (It could be either.)

Question 2

A tooth polisher on a dentist's drill reaches a speed of 1800 rpm in 8.0 s. What is its average angular acceleration?
 
  What will be an ideal response?


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ms_sulzle

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Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

24. rad/s2


lindiwe

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Reply 2 on: Jul 27, 2018
Wow, this really help

ashely1112

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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