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Sphinxa [80]
4 years ago
10

I meed help with these 2 questions plz

Physics
1 answer:
ludmilkaskok [199]4 years ago
4 0

-- 30N

-- the sum of all the forces

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Explanation:

It is given that,

Frequency of vibration, f = 215 Hz

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(b) Speed of sound in air, v = 343 m/s

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\lambda=1.59\ m

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