#5. (a) Explain qualitatively why the time period of a simple pendulum does not depend on mass. (b) A person is standing at the edge of a turntable which is rotating at a constant speed. If the person walks slowly towards the center of the table, explain briefly what effect does it have on the angular velocity of the turntable. (c) An ambulance is moving with a constant speed of 50 km/hour with a siren whining at 1800 Hz towards a pedestrian. What is the frequency of the siren heard by the pedestrian?

College Physics
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ISBN:9781305952300
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Chapter1: Units, Trigonometry. And Vectors
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#5. (a)
Explain qualitatively why the time period of a simple pendulum does not depend
on mass.
(b)
A person is standing at the edge of a turntable which is rotating at a constant
speed. If the person walks slowly towards the center of the table, explain briefly what effect
does it have on the angular velocity of the turntable.
(c)
An ambulance is moving with a constant speed of 50 km/hour with a siren
whining at 1800 Hz towards a pedestrian. What is the frequency of the siren heard by the
pedestrian?
Transcribed Image Text:#5. (a) Explain qualitatively why the time period of a simple pendulum does not depend on mass. (b) A person is standing at the edge of a turntable which is rotating at a constant speed. If the person walks slowly towards the center of the table, explain briefly what effect does it have on the angular velocity of the turntable. (c) An ambulance is moving with a constant speed of 50 km/hour with a siren whining at 1800 Hz towards a pedestrian. What is the frequency of the siren heard by the pedestrian?
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