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An ambulance moving at 36 m/s sounds its siren whose frequency is 350 Hz. A car is moving in the same direction as the ambulance at 20 m/s.
(a) What frequency does a person in the car hear as the ambulance approaches the car?
Hz
(b) What frequency does a person in the car hear after the ambulance passes the car?
H
(a) How far is the tortoise from the finish line when the hare resumes the race? (Please provide numerical answer in m) (b) For how long in time was the hare stationary?
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Each time you remove a bulb you will calculate the new total resistance and the new current.
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