Frame of reference!!!

Hi guys,,,

I have some diffucilties in understanding the idea of relative
velocity. My question is based on the example of a car and a stationary
observer. From one point of view, The car is moving with certain speed
v,say, relative to the stationary observer. But, it is argued that the
observer will be seen as going back if we consider the car as our frame
of reference. For me, this does not make sense since the car is itself
moving while the observer is indeed stationary thus how can we say he
is going back with speed v.

I am not a physisast, so could you plz. answer without going through
physical terminology.

Thanks for your help in advnce..

Best,

Fai

.

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