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1. (3 points) Suppose you had just robbed a bank. While moving at 90 mi/hr, you pass a police car just starting to chase you

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(1) vt vo f fo from Dopplers effect Vt vs IN- 90 milur me fo uto ) fo = 0.88 fo (: V-speed of sound = 767.3 miler) I will heIn the first case I am moving away w.r.to police car so I hear less frequency but I'm second case I'm at rest w.r. To police car so I will hear the same frequency.

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