Question

A sound is heard 5 second later than the lightening is seen in the sky on a rainy day. find the distance of the location of lightning of given speed of sound 346 m/s.

Answer 1

 : As we know The speed of light is too more than the speed of sound and the light of the lightning reaches us within a fraction of second so it is negligible, As the sound is heard is heard after  5sec  than the lightening is seen in the sky on a rainy day  with a speed of
 346 m/s. It takes 346 x 5 = 1730m =1.73 km

Answer 2

Answer:

1730 meters

Explanation:

Let someone is Nita:

Suppose Nita is stood in open ground and she heard the lightning sound after 2 seconds of seeing it.

Given that,

Velocity of sound in air = 346 m/s

Time required = 5 seconds

To find: Distance between Nita and that Lightning

So,

Velocity = Distance / Time

346 m/s = Distance / 5 seconds

Distance = Velocity * Time

Distance = 346 * 5

Distance = 1730 meters

Therefore, the distance of Lightning from Nita is 1730 meters.