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the speed of a weighting car is 3000N Increases fron 36 km\h to 72 km\h uniformly . The change in momentum of the car is 3x10^x kg-m\s. Then x is |
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Answer» F=m*a3000 = m*(72-36)*1000/36003000 = m*36*1000/36003000 = m*10m = 300 kg Momentum of CAR = 300 * 360 |
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