A stopwatch is used to time the motion of car at t1=14s the car is at x=60 at t2=17s the car is at 15 m what is the average velocity of the car
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v=2v1v2/v+v2
=2*60/14*15/17/14+15/17
2.185
=2*60/14*15/17/14+15/17
2.185
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