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Natali [406]
2 years ago
9

George walks to a friend's house. He walks 750 meters North, then realizes he walked

Physics
1 answer:
Sauron [17]2 years ago
4 0

Answer:

I think you are looking for the velocity, so the answer is 38.5 m/s

Explanation:

Velocity is giving by displacement/time. North will be positive and South will be negative, George travels 750 meters then travels -250 meters his displacement is then 750 - 250 or 500 meters. Divide that by 13 seconds to get 38.5 m/s.

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Answer:

The  frequencies are (f, f_1) =  (6615.4 \ Hz , 19846.2\ Hz)

Explanation:

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   The  speed of sound is assumed to be  v_s  =  344 \ m/s

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