Question

Two men are walking along a horizontal straight line in the same direction. The man in front walks at a

speed 1.0 ms

−1 and the man behind walks at a speed 2.0 ms

−1. A third man is standing at a height 12 m

above the same horizontal line such that all three men are in a vertical plane. The two walking men are

blowing identical whistles which emit a sound of frequency 1430 Hz. The speed of sound in air is 330 ms

-1

.

At the instant, when the moving men are 10 m apart, the stationary man is equidistant from them. The

frequency of beats in Hz, heard by the stationary man at this instant, is _________​

Answer 1

Answer:

Explanation:

Answer 5.00Hz Read more on Sarthaks.com - https://www.sarthaks.com/60865/two-men-walking-along-horizontal-straight-line-same-direction-the-man-front-walks-speed-0ms