Frequency=250Hz, wave length=25cm, how long will it take to travel 2 km
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n=250Hz
wavelength =25cm=0.25m
v=n×wavelength =250×0.25=62.5m/s
t=d/v=2000/62.5
=32 sec.
wavelength =25cm=0.25m
v=n×wavelength =250×0.25=62.5m/s
t=d/v=2000/62.5
=32 sec.
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