A sound frequency of 2 khz and wavelength 35 CM how long will it take to travel 1.5 kilometre
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Answer:
f= 2000hz
w.l. = .35m
speed = f × w.l.
700m/s
now dist. = 1500 m
time= d/sp.
1500/700
15/7s
2.142sec.
hope this would help u : )
Explanation:
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