Question

A boy fires a gun and hears the echo 2 seconds later. If he is 350m away from a wall, calulate the velocity of sound in air.

Answer 1

Echo after 2 seconds

So,350 multiply by 2=700

Speed =Distance/Time

=700/2

=350m/s

Answer 2

QUESTION

A boy fires a gun and hears the echo 2 seconds later. If he is 350m away from a wall, calulate the velocity of sound in air.

ANSWER

$echo \: after \: 2 \: second$

$so \: 350 \: multiply \: by \: 2 = 700$

$speeed = distance \div time$

$700 \div 2 = 350 \: ms$

HOPE IT HELPS YOU

FOLLOW ME