Question

47. A man 'P' faces a vertical wall which is 500 m away from him. A second man "O stands 200 m behind 'P.
When 'P' fires a gun, O hears an echo of the shot. What is the time interval between them if the speed of sound
is 340 m/s?
a) 0.36 s
b) 1.47 s
c) 2.94
d) 5.88 s
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Answer 1

Answer:

A man 'P' faces a vertical wall which is 500 m away from him. A second man "O stands 200 m behind 'P.

When 'P' fires a gun, O hears an echo of the shot. What is the time interval between them if the speed of sound

is 340 m/s?

a) 0.36 s

b) 1.47 s✔

c) 2.94

d) 5.88 s

Answer 2

Answer:

Option b) 1.47 a

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