3 years ago

If a machine exerts a force of 250N on an object and no work is done, what must have occurred?

Physics

1 answer:

ss7ja [257]3 years ago

7 0

The object did not move / was kept from moving.

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A closed-end organ pipe is used to produce a mixture of sounds. The third and fifth harmonics in the mixture have frequencies of

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Answer:

$F_1=366.67Hz$

Explanation:

From the question we are told that:

Frequency of 3rd harmonics $F_3=1100$

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Explain the conditions in which a person can or can’t hear a echo

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