IP Two strings that are fixed at each end are identical, except that one is $0\mathrm{.}540$ cm longer than the other. Waves on these strings propagate with a speed of $31\mathrm{.}2$ m$/$s $,$ and the fundamental frequency of the shorter string is $217$ Hz

$.$

Part A

What beat frequency is produced if each string is vibrating with its fundamental frequency?

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fbeat

$=$

nothing

Hz

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Part B

Does the beat frequency in part $($a$)$ increase or decrease if the longer string is increased in length?

increasesdecreases

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Part C

Repeat part $($a$),$ assuming that the longer string is $0\mathrm{.}751$ cm

longer than the shorter string.

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Activate 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

fbeat

$=$

nothing

Hz

Request$$Answer

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