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Author Question: An electric razor in Europe completes 50 vibrations in 1 s. The frequency of these vibrations is ... (Read 196 times)

fahad

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on: Jul 29, 2018
An electric razor in Europe completes 50 vibrations in 1 s. The frequency of these vibrations is
 
  A) 50 Hz with a period of 1/50 s.
  B) 1/50 Hz with a period of 50 s.
  C) 50 Hz with a period of 50 s.
  D) 1/50 Hz with a period of 1/50 s.

Question 2

A wave of 60 vibrations per second travels 30 m in 1 s. Its frequency is
 
  A) 30 Hz.
  B) 60 Hz.
  C) more than 60 Hz.
  D) none of the above


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meganmoser117

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

Answer: A

Answer to Question 2

Answer: B


fahad

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Reply 2 on: Jul 29, 2018
Gracias!

blakcmamba

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Reply 3 on: Yesterday
Excellent

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