Assignment #9 Problem 20.13 « previous 7 of 20 next » Problem 20.13 The displace

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Assignment #9

Problem 20.13

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Problem 20.13

The displacement of a wave traveling in the negative y-direction is D(y,t) = ( 5.80 cm ) sin ( 6.50 y+ 63.0 t ), where y is in m and t is in s.

Part A

What is the frequency of this wave?

Express your answer with the appropriate units.

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Part B

What is the wavelength of this wave?

Express your answer with the appropriate units.

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Part C

What is the speed of this wave?

Express your answer with the appropriate units.

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Problem 20.13

The displacement of a wave traveling in the negative y-direction is D(y,t) = ( 5.80 cm ) sin ( 6.50 y+ 63.0 t ), where y is in m and t is in s.

Part A

What is the frequency of this wave?

Express your answer with the appropriate units.

SubmitMy AnswersGive Up

Part B

What is the wavelength of this wave?

Express your answer with the appropriate units.

SubmitMy AnswersGive Up

Part C

What is the speed of this wave?

Express your answer with the appropriate units.

SubmitMy AnswersGive Up

Provide FeedbackContinue

Explanation / Answer

D(y,t) = (5.80 cm ) sin ( 6.50y + 63.0 t)

part a)

f = T/2

f = (63.0/s) / (2)

f = 10.03 Hz

part b)

= 2/x

= 2/(6.50 m-1))

= 0.9544 m

part c)

v = f

v = 10.03 * 0.954 m

v = 9.57 m/s

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