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Author Question: When a spring is stretched, its mass decreases. Indicate whether the statement is true or ... (Read 30 times)

K@

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  • Posts: 608
on: Jul 29, 2018
When a spring is stretched, its mass decreases.
 
  Indicate whether the statement is true or false

Question 2

A sewing machine needle moves up and down in simple harmonic motion with an amplitude of 1.27 cm and a frequency of 2.55 Hz. How long does it take it to travel 11.43 cm?
 
  A) 3.53 s
  B) 0.882 s
  C) 1.13 s
  D) 1.76 s
  E) 2.65 s


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parshano

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

FALSE

Answer to Question 2

B


K@

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  • Posts: 608
Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)

Viet Thy

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Reply 3 on: Yesterday
Excellent

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