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A truck is moving with a certain uniform velocity. It is accelerated uniformly by 0.75 m/s2. After 20 seconds, the velocity of the truck becomes 72 km/h. What is the initial velocity of the truck? |
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Answer» a=v2-v1/t, 72km/hr=20m/s 0.75= 20-v1/20 15=20-v1 v1=5m/s |
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