A boy fires a gun and another boy at a distance of 1360 m hears the sound of firing the gun 4 s after its smoke is seen. Find the speed of sound.
(2 marks)

Open in App

Solution

Given,
Distance = 1360 m,
Time = 4 s
We know,
Speed = $\frac{D i s t a n c e}{T i m e}$ = $\frac{1360}{4}$ = 340 m/s
Hence, speed of sound is 340 m/s.
(2 marks)

Suggest Corrections

Similar questions

A boy fires a gun and another boy at a distance hears the sound of fire 2.5 s after seeing the flash. If speed of sound in air is 340 m $s^{- 1}$ , find distance between the boys.

Q. A boy fires a gun and another boy at a distance of 1360 m hears the sound of firing the gun 4 s after its smoke is seen. Find the speed of sound.

A boy fires a gun and another boy at a distance of $1020 m$ hears the sound of firing the gun $3 s$ after seeing the smoke. Find the speed of sound in air.

Q. A boy fires a gun and another boy at a distance hears the sound of fire

2.5 s

after seeing the flash. If speed of sound in air is

340 m s^{- 1}

, find the distance between the boys :

Q. A boy on a hill A fires a gun. The other boy on hill B hears the sound after

4 s

. If the speed of sound is

330 m / s

, find the distance between the two hills.

Join BYJU'S Learning Program

A boy fires a gun and another boy at a distance of 1360 m hears the sound of firing the gun 4 s after its smoke is seen. Find the speed of sound. (2 marks)

Given, Distance = 1360 m, Time = 4 s We know, Speed = DistanceTime = 13604 = 340 m/s Hence, speed of sound is 340 m/s. (2 marks)

A boy fires a gun and another boy at a distance of 1360 m hears the sound of firing the gun 4 s after its smoke is seen. Find the speed of sound.
(2 marks)

Given,
Distance = 1360 m,
Time = 4 s
We know,
Speed = $\frac{D i s t a n c e}{T i m e}$ = $\frac{1360}{4}$ = 340 m/s
Hence, speed of sound is 340 m/s.
(2 marks)