Question
A fire engine sounds its siren as it drives through a neighbourhood at a speed of 21.4 m/s. a)If the apparent frequency of the approaching
A fire engine sounds its siren as it drives through a neighbourhood at a speed of 21.4 m/s.
a)If the apparent frequency of the approaching siren as observed by a child playing in her
yard is 1.45 x 10^3 Hz, what is the siren's actual frequency?
b) What will be the siren's apparent frequency after passing the child and driving away?
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Introduction to Electrodynamics
Authors: David J. Griffiths
3rd Edition
978-0138053260, 013805326X, 8120316010, 978-8120316010
