Two cars approach each other; both cars are moving westward, one at 71 km/h, the other at 67 km/h. what is the magnitude of the velocity of the first car relative to (in the frame of reference of) the second car? answer in units of km/h.

Answer;

= 4 km/hr

Explanation;

All the motion is directed westward, so we can consider west to be positive.

The velocity of the first car relative to the second car is;

  Vr = V1 - V2

       = 71 km/hr - 67 km/hr

       = 4 km/hr

The magnitude of the velocity of the first car relative to the second car is 4 km/hr.

jupiter

explanation:

it is so massive and has such a strong gravitational pull its likely prevented the formation of a planet between itself and mars in the asteroid belt

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