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Author Question: Consider gliders that slide friction-free along a horizontal air track. Glider A has a mass of 1 kg, ... (Read 56 times)

jwb375

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Consider gliders that slide friction-free along a horizontal air track. Glider A has a mass of 1 kg, a speed of 1 m/s, and collides with glider B, which has a mass of 5 kg and is at rest. If they stick upon collision the combined-glider speed will be
 
  A) 1/4 m/s.
  B) 1/5 m/s.
  C) 1/6 m/s.
  D) 1 m/s.
  E) none of the above

Question 2

In the case of light waves, the thing doing the waving is
 
  A) charged particles throughout the region between source and receiver.
  B) a gravitational field.
  C) the ether.
  D) an electromagnetic field.
  E) the air.



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johnpizzaz

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Answer to Question 1

This is great. Thanks

Answer to Question 2

D




jwb375

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Reply 2 on: Jul 29, 2018
:D TYSM


triiciiaa

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Reply 3 on: Yesterday
Excellent

 

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