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طالــب 21-10-2010 13:30

أسئلة فيزياء 101 البترول
 
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T082Q3.Two cars A and B travel on a straight line. The displacement of car A is given by xA (t) =2.60 t+1.20 t**2, where t is in seconds and xA in m. The displacement of car B is given by xB (t) =2.80 t**2- 0.20 t**3. At what time the two cars will have the same acceleration? (A 2.67 s)
Q5.Two automobiles, 150 kilometers apart, are traveling toward each other. One automobile is moving at 60km/h and the other is moving at 40 km/h. In how many hours will they meet? (A: 1.5

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