Question

Two train A and B are xlose together 200 meters awayfrom you. They simultaneously emit a blast on their whistle of 500Hz Train A is approaching you at 20m/s and B is stationary. Which of the following is true from your point of view? check all that apply.

The second from train A will arrive a little before that of train B

Tran A's whistle will aound at a higher pitch

Train A's whistle will have a longer wavelength

Answer 1