Question

Two trains are moving in a straight line in the same direction with a speed of 80 Km/hr The relative velocity
one train w.r.t. other is
(1) 80 km/h
(2) 40 km/h
(3) Zero
(4) 160 km/h​

Answer 1

Answer:

zero

Explanation:

direction of vectors will be same

80-80=0

Answer 2

Answer:

Zero is the answer because it is asking with respect of other train and someone sees out from that train he/she will see that the adjacent train is not moving.

Explanation: