An ospreys call is a distinct whistle at 2200 hz. an osprey, Ask an Expert

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Q1. An osprey's call is a distinct whistle at 2200 Hz. An osprey calls whereas diving at you, to drive you away from her nest. You hear call at 2220 Hz. How fast is the osprey approaching?

Q2. Two plane mirrors make an angle of 58°. A light ray enters the system and is reflected once off each mirror. During what angle is the ray turned?

Q3. 29g of copper pellets are removed from the 300 degrees C oven and immediately dropped into 90 mL of water at 19 degrees C in an insulated cup. What will the new water temperature be?

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Category:- Physics
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