A man fires a gun and hears its echo after 5 s. Tge man then moves 310 m towards tge hill and fires again. This time if he hears tge echo after 3 s,calculate the speed of sound.
Answers
Answered by
3
Heya user !!!
Here's the answer you are looking for
Please see the attached file for your answer ☺️
★★ HOPE THAT HELPS ☺️ ★★
Here's the answer you are looking for
Please see the attached file for your answer ☺️
★★ HOPE THAT HELPS ☺️ ★★
Attachments:
Twain1:
you got it right
Thanks
:-)
1.A radar sends a signal to an aeroplane at a distance 45 km away, with a speed of 3 × 10^8 m s-1.After how much time us...
https://brainly.in/question/1607126?utm_source=android&utm_medium=share&utm_campaign=question
https://brainly.in/question/1607126?utm_source=android&utm_medium=share&utm_campaign=question
Please open this link
help me please
Answered by
3
let man be at a distance of x metres from the hill first
distance traveled by the sound to come back is 2x
speed of sound v =2x/5
Then he moves 310 m towards the hill
distance between man and hill now =x-310 m
now sound takes 3s to reach back
speed of sound v= 2(x-310)/3
2x/5=2(x-310)/3
3x = 5x-1550
x= 775 m
speed of sound v= 2×775/5 =310 m/s
distance traveled by the sound to come back is 2x
speed of sound v =2x/5
Then he moves 310 m towards the hill
distance between man and hill now =x-310 m
now sound takes 3s to reach back
speed of sound v= 2(x-310)/3
2x/5=2(x-310)/3
3x = 5x-1550
x= 775 m
speed of sound v= 2×775/5 =310 m/s
u too get it right
Similar questions