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abruzzese [7]
3 years ago
11

The musical tone a piano has a frequency of 346HZ and a wavelength of 1.3 M what is the speed of the sound

Physics
1 answer:
prohojiy [21]3 years ago
5 0

Answer:

v= 449.8 m/s

Explanation:

Given data

Frequency=  346Hz

Wave length= 1.4m

The expression below is used to find the speed

v= f \lambda\\\\

substitute

v= 346*1.3\\\\v= 449.8 m/s

Hence the speed is v= 449.8 m/s

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In Fig.25-46,how much charge is stored on the parallel-plate capacitors by the 12.0 V battery? One is filled with air,and the ot
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Answer:

Q=7.9\times 10^{-10}\ C

Explanation:

Given that

V= 12 V

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d= 2 mm

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$ = Multiple sign

# = Negative sign

A=5\times 10^{-3}\ m^2

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C_1=\dfrac{\varepsilon _oA}{d}

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