Question: A physics professor demonstrates the Doppler effect by tying a 6 2 0 HzHz sound generator to a 1 . 0 - m - long

A physics professor demonstrates the Doppler effect by tying a

620

HzHz sound generator to a

1.0 -

-

long rope and whirling it around her head in a horizontal circle at

110

rpmrpm

.

Assume the room temperature is

20

.

Part A

What is the highest frequency heard by a student in the classroom?

Express your answer in hertz.

Activate to select the appropriates template from the following choices. Operate up and down arrow for selection and press enter to choose the input value typeActivate to select the appropriates symbol from the following choices. Operate up and down arrow for selection and press enter to choose the input value type

+

+ =

nothing

HzHz

SubmitRequest

Answer

Part B

What is the lowest frequency heard by a student in the classroom?

Express your answer in hertz.

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