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Elina [12.6K]
2 years ago
14

which equations represent the relationship between wavelength and frequency for a sound wave? check all that apply

Physics
1 answer:
cluponka [151]2 years ago
6 0
Frequency = speed of light/wavelength
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Fitting is the answer
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What is the most likely outcome of increasing the number of slits per unit distance on a diffraction grating?1) lines become nar
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<h2>Therefore, the answer is 2.</h2>
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how long will it take an object to move 100 meters if the object is traveling with an average speed of 2.0 meters per second
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3 years ago
A motorist driving at 25 meters/second decelerates to
Ilia_Sergeevich [38]
Work done = 0.5*m*[(v2)^2 - (v1)^2]
where m is mass,
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8 0
3 years ago
Read 2 more answers
Bicyclists in the Tour de France do enormous amounts of work during a race. For example, the average power per kilogram generate
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Explanation:

It is given that,

Average power per unit mass generated by Lance, \dfrac{P}{m}=6.5\ W/kg

P=6.5\times 75=487.5\ W

(a) Distance to cover race, d = 160\ km =160\times 10^3\ m

Average speed of the person, v = 11 m/s

If t is the time taken to cover the race.

t=\dfrac{d}{v}

t=\dfrac{160\times 10^3\ m}{11\ m/s}

t = 14545.46 s

Let W is the work done. The relation between the work done and the power is given by :

P=\dfrac{W}{t}

W=P\times t

W=487.5\times 14545.46

W = 7090911.75 J

(b) Since, 1\ J=2.389\times 10^{-4}\ calories

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W = 1694.01 J

Hence, this is the required solution.

6 0
3 years ago
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