Question

2) Two railway tracks are parallel to west east direction. Along one track, train A moves with a speed of 45 m/s from

west to east, while along the second track, train B moves with a speed of 60 m/s from east to west calculate speed of
Bw.rt. A​

Answer 1

`Relative\ Velocity = 105m/s`

Step-by-step explanation:

Given

`V_A = 45m/s`

`V_B = 60m/s`

Required

Determine the speed of B w.r.t A

The question implies that, we determine the relative velocity of B w.r.t A

Because both trains are moving towards one another, the required velocity is a
`sum\ of\ velocities\ of` both trains:

This is shown below:

`Relative\ Velocity = V_A + V_B`

`Relative\ Velocity = 45m/s + 60m/s`

`Relative\ Velocity = 105m/s`