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Author Question: When a spring is compressed, its mass increases. Indicate whether the statement is true or ... (Read 89 times)

casperchen82

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When a spring is compressed, its mass increases.
 
  Indicate whether the statement is true or false

Question 2

The position of an air-track cart that is oscillating on a spring is given by x = (12.4 cm) cos(6.35 s-1)t. At what value of t after t = 0 s is the cart first located at x = 8.47 cm?
 
  A) 4.34 s
  B) 0.108 s
  C) 0.129 s
  D) 7.39 s
  E) 7.75 s



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Eazy416

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Answer to Question 1

TRUE

Answer to Question 2

C




casperchen82

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Reply 2 on: Jul 29, 2018
Excellent


gcook

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Reply 3 on: Yesterday
Gracias!

 

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