Question

A car driving at a constant speed of 25~ms^{-1} straight to a mountain. The driver presses the car horn and receives an echo 3.6 seconds later Calculate the distance between the car and the mountain when the driver pressed the horn (Take the speed of sound in air to be 300~ms^{-1}

Answer 1

Answer:

V = 300 m/s

T = 3.6 seconds

Wavelength = Time Period*Velocity of Sound

= 3.6*300 m

The Distance is 1080 m or, 1 km and 80 m.

I hope this helps.

Answer 2

Answer:

1080m is correct

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