You are driving down the road at $15\mathrm{.}6$ m$/$s $(35$ mph$)$ when an ambulance passes you with its siren blaring. The ambulance siren produces a frequency of $700$ Hz$.$ As the ambulance approaches you from behind, you hear a frequency of $730$ Hz $.$ The speed of sound in air is $344$ m$/$s$.$

Part A

What is the speed of the ambulance? The positive direction points from your car $($listener$)$ toward the ambulance $($source$).$

Express your answer in meters per second.

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

v $=$

nothing

m$/$s

Request$$Answer

Part B

What frequency do you hear after the ambulance passes?

Express your answer in hertz.

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f $=$

nothing

Hz