Question

Two cars A and B are moving with equal speed v.A is moving along north while B is moving along east. The magnitude of speed of A with respect to B, will be
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Answer 1

Answer:

North east.

This is the answer.

Answer 2

☆ Points to keep in mind before solving:-

1. whenever there is any physical quantity we said relative to..that means the reference we take for relative is will at rest...
2. that means for making B(observer) we have to give the opposite value of A so that he supposed himself at rest...and think like A is coming towards it straight
3. relative velocity Va-Vb