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Rudiy27
2 years ago
14

7) Sound waves travel with a nominal speed of 340m/s.

Physics
1 answer:
Savatey [412]2 years ago
4 0

Answer:

The wavelengths of C1 is 10.4m, A6 is 0.193m and B7 is 0.0861m

Explanation:

Using the formula V = f×λ . Then substitute the following values into the formula:

a) v=340m/s

f=32.7 Hz

λ=V ÷ f

= 340 ÷ 32.7

= 10.4m (3s.f)

b) λ=340 ÷ 1760

= 0.193m (3s.f)

c) λ=340÷3951.1

= 0.0861m (3s.f)

(Correct me if I am wrong)

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Answer:

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v=u+g.t

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v^2=u^2+2g.h

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here:

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\frac{200}{g'}+50 =0+\frac{1}{2} g'.t_f'^2

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t_f'=\sqrt{\frac{400}{g'^2}+\frac{100}{g'}  }

Similarly on earth:

t_f=\sqrt{\frac{400}{g^2}+\frac{100}{g}  }

Now the required time difference:

\Delta t=(t'+t_f')-(t+t_f)

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