Explain the 3 factors that affect the Speed of Sound

1 answer:

3 0

Nature of media,Temperature frequency

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Gravity is the centripetal force when the moon orbits the earth.

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JulsSmile [24]

Length•Width•Height is the answer

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tatuchka [14]

Answer:

D is the answer I think (0 w 0 )

Explanation:

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Sloan [31]

Via half-life equation we have:

$A_{final}=A_{initial}(\frac{1}{2})^{\frac{t}{h} }$

Where the initial amount is 50 grams, half-life is 4 minutes, and time elapsed is 12 minutes. By plugging those values in we get:

$A_{final}=50(\frac{1}{2})^\frac{12}{4}=50(\frac{1}{2})^{3}=50(\frac{1}{8})=6.25g$

There is 6.25 grams left of Ra-229 after 12 minutes.

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Andrej [43]

Answer:

A, 72 kg•m/s

Explanation:

p=mv

p=18x4

p=72

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