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An osprey’s call is a distinct whistle at 2200 Hz. An osprey calls while diving at you, to drive you away from her nest. You hear the call at 2300 Hz.How fast is the osprey approaching?

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MissPhiladelphia

Problem: How fast is the osprey approaching

Given: 2200 Hz
whistle from osprey’s call

2300 Hz you were
able to hear osprey’s call

Solution:

Velocity = 340 x (2300 –
2200) / 2300

Velocity = 340 x 100/2300

Velocity = 340 x 0.043

Velocity = 14.78 m/s

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