# Mechanics that is physics

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A car moved 15meter per sec.for 2min,after which it moved at 18meter per sec.for 45 sec,calculate the average velocity of the car.

• Mechanics that is physics -

total distance: 15*120 + 18*45 = 2610m
total time: 120+45 = 165 sec

avg speed: 2610m/165s = 15.82m/s

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