A bird is flying toward north with velocity 40 km/h and a train is moving with velocity 40 km/h towards east. What is the velocity of the bird noted by a man at rest in the train.
40√2km/h N−E
40√2 km/h S−E
40√2 km/h N−W
40√2 km/h S−W
40√2 km/h N−W
Velocity of bird w.r.t. to train=−→VB−−→VT