Two identical police cars are chasing a robber. When at rest, their sirens have a frequency of
Question:
Two identical police cars are chasing a robber. When at rest, their sirens have a frequency of 500 Hz. A stationary observer watches as the two cars approach. The siren of one car (car 1) has a frequency of 600 Hz, and the other (car 2) has a frequency of 700 Hz.
(a) Which car is moving faster?
(b) What is the speed of each car?
(c) If the robber hears a frequency of 650 Hz from car 2, is car 2 catching up to the robber?
(d) What is the speed of the robber?
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a The frequency shift due to the Doppler effect varies directly with the speed The car whose siren i...View the full answer
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Related Book For 
College Physics Reasoning and Relationships
ISBN: 978-0840058195
2nd edition
Authors: Nicholas Giordano
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