Guest

When Sound is produced in an aeroplane moving with a velocity of 200m/s horizontally. Its echo is heard after 10 * SQRT(5) seconds. If the velocity of sound in air is 300m/s. The elevation of aeroplane is :- a) 1250 metre b) 250 mt c) 250 * SQRT(5) metre.

When Sound is produced in an aeroplane moving with a velocity of 200m/s horizontally. Its echo is heard after 10 * SQRT(5) seconds. If the velocity of sound in air is 300m/s. The elevation of aeroplane is :- a) 1250 metre b) 250 mt c) 250 * SQRT(5) metre.
 
 

Grade:12

2 Answers

Saurabh Koranglekar
askIITians Faculty 10335 Points
2 years ago
576-219_1.PNG
Arun
25758 Points
2 years ago
Dear student
 

2d = v*t 

d = 300* 10√5 / 2

= 200 * 10√5 

= 2000√5 seconds

 

Hope it helps

 

Thanks and regards

Think You Can Provide A Better Answer ?

Provide a better Answer & Earn Cool Goodies See our forum point policy

ASK QUESTION

Get your questions answered by the expert for free