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Rus_ich [418]
3 years ago
7

A ball rolls on a carpet. The ball experiences friction as it rolls. How will friction affect

Physics
1 answer:
mote1985 [20]3 years ago
6 0

Answer:

A- The ball experiences an unbalanced force and will slow down.

Explanation:

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Where on the Earth would you have to be to see the North Celestial Pole exactly halfway between your horizon and zenith?
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3 years ago
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An object 2.2 kg object accelerates at 4.0 m/s^2. What is the mass of the object?
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5 0
2 years ago
A trombone plays a C3 note. If the speed of sound in air is 343 m/s and the wavelength of this note is
Umnica [9.8K]

The frequency of note C3 is 131 s^{-1}.

<u>Explanation:</u>

Frequency is the measure of repetition of same thing a certain number of times. So frequency is inversely proportional to the wavelength. As wavelength is distance between two successive crests or troughs in a sound wave.

And frequency is the completion of number of cycles in a given time in sound waves. The frequency and wavelength are inversely proportional to each other with velocity of sound being the proportionality constant.

Thus, here the speed of sound is given as 343 m/s, the wavelength of the note is also given as 2.62 m, then frequency will be as follows:

Frequency=\frac{speed of sound}{Wavelength of note}

Thus,

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So the frequency of note C3 is 131 s^{-1}.

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3 years ago
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