Flag Wave Motion> When Sound is produced in an aeroplane mo...
question mark

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.

Ashish , 8 Years ago
Grade 12
anser 2 Answers
Saurabh Koranglekar
576-219_1.PNG
Last Activity: 5 Years ago
Arun
Dear student
 

2d = v*t 

d = 300* 10√5 / 2

= 200 * 10√5 

= 2000√5 seconds

 

Hope it helps

 

Thanks and regards

Last Activity: 5 Years ago
star
LIVE ONLINE CLASSES

Prepraring for the competition made easy just by live online class.

tv

Full Live Access

material

Study Material

removal

Live Doubts Solving

assignment

Daily Class Assignments