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Question 12.S&C.1: 1. An electric razor completes 60 cycles every second.

1. An electric razor completes 60 cycles every second.

a. What is its frequency?

b. What is its period?

 

2. If the difference in height between the crest and trough of a wave is 60 cm, what is the amplitude of the wave?

3. Gusts of wind cause the Sears Building in Chicago to sway back and forth, completing a cycle every 10 seconds.

a. What is its frequency?

b. What is its period?

 

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1. a. 60 cycles per second or 60 Hz

b. 1/60 second

2. The amplitude is 30 cm, half of the crest-totrough height distance.

3. a. 1/10 Hz

b. 10 s

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