Question

A parrot is flying parallel to a railway track crosses a moving train the time of crossing doubles if the parrot reverses its direction of flight.Speed of the train

Answer 1

speed of the train is equal to the spear the parrot therefore when the parrot reverses its direction then due to relative speed addition of opposite direction

(x+y)where x and y are the speed of parrot and train respectively

x=y

x+y=2x

has the speed of the crossing becomes double

please mark my answer as brainliest