4 years ago

When the man inside the treadmill steps up, what force pulls home back? In what direction does this force move him?

Physics

1 answer:

poizon [28]4 years ago

4 0

These image should help you out

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3 years ago

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3 years ago

A low C (f = 65Hz) is sounded on a piano. If the length of the piano wire is 2.0 m and its mass density is 5.0 g/m2, determine t

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Answer:

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Explanation:

Use the formula $f=\frac{\sqrt{\frac{T}{\frac{M}{L}} } }{2L}$

f is the frequency, T the string tension, M the mass, and L the length

convert units to seconds, kilograms, meters

$65Hz\ =\ \frac{\sqrt{\frac{T}{\frac{0.005kg}{m}}}}{2\cdot2m}$

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