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Author Question: Velma zooms past Mort at half of lightspeed. Mort observes Velma's clock. He observes that her clock ... (Read 100 times)

nummyann

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on: Jul 29, 2018
Velma zooms past Mort at half of lightspeed. Mort observes Velma's clock. He observes that her clock runs
 
  A) slow. B) on time.
  C) fast. D) None of the above.

Question 2

A 1.15-kg beaker (including its contents) is placed on a vertical spring scale. When the system is sent into vertical vibrations, it obeys the equation y = (2.3 cm)cos(17.4 s-1 t).
 
  What is the force constant (spring constant) of the spring scale, assuming it to be ideal?


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nhea

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

A

Answer to Question 2

348 N/m


nummyann

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Reply #2 on: Jul 29, 2018
Both answers were spot on, thank you once again


nhea

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Reply #3 on: Jul 29, 2018
Great! Please up vote :D


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