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Physics 14 Online
Vmars21:

car 1 drives 45 mph to the west, and car 2 drives 30 mph to the east. From the frame of the reference of car 1. What is the velocity of car 2?

psirockin3:

Use:\[\huge v_{2/1}=v_2-v_1\]Where, \(v_{2/1}\) is the velocity of car 2 with respect to car 1 \(v_2\) is the velocity of car 2 \(v_1\) is the velocity of car 1

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