Question

If two cars A and B are moving with velocity of 90 km/hr and 108 km/hr respectively in the same direction, what will be the relative velocity of B with respect to A?

Answer 1

Answer:

Since both are moving eastwards

V

A

=+60km/h

V

B

=45km/h

Relative speed V

AB

=60−45=15km/h

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Answer 2

Answer:

28 km/ hr

Explanation:

Relative velocity would be (108 - 90) = 28 km/hr.

We would take car A as a base line. Then we can see that the car B is going ahead slowly with 28 km/hr velocity.