Question

1) if a boy fires a gun and hears the echo 2 seconds later . If he is 350m away from a wall. Calculate the velocity ​​

Answer 1

Answer:

Velocity of sound, v =? ⇒v=350 m / s .

hope it helps you !

Answer 2

Answer:

Explanation:

Time(t)=2 sec.

Distance(s)=350m.

Velocity(v)=?.

Speed=distance/time.

=350/2

=175 meter/sec.

Hope it helps u dear

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