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sashaice [31]
3 years ago
5

A cello string 0.75 m long has a 220 hz fundamental frequency. find the wave speed along the vibrating string. answer in units o

f m/s.
Physics
1 answer:
maxonik [38]3 years ago
4 0
For fundamental frequency of a string to occur, the length of the string has to be half the wavelength. That is,

1/2y = L, where L = length of the string, y = wavelength.

Therefore,
y = 2L = 2*0.75 =1.5 m

Additionally,
y = v/f Where v = wave speed, and f = ferquncy

Then,
v = y*f = 1.5*220 = 330 m/s
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Answer:

Explanation:

From the given information:

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A car of mass m goes around a banked curve of radius r with speed v. If the road is frictionless due to ice, the car can still n
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Answer:

horizontal component of normal force is equal to the centripetal force on the car

Explanation:

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N sin\theta = \frac{mv^2}{R}

N cos\theta = mg

so we have

v = \sqrt{Rg tan\theta}

so this is horizontal component of normal force is equal to the centripetal force on the car

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