a man standing 170 m away from a hill fires a gun .after how long will he hear the echo?the velocity of sound =340 m/s
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distance =170m
velocity of sound= 340 m/s
time =(2× distance )/speed
time = (2×170)/340
time= 340/ 340
time = 1sec
velocity of sound= 340 m/s
time =(2× distance )/speed
time = (2×170)/340
time= 340/ 340
time = 1sec
Shreyasini:
the answer is correct
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After 1s we will hear the echo
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