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| 1. |
Two cars A and B travelling towards each other ona straight road with speed 20 ms and 10 msrespectively. When they are 400 m apart both driversapply brakes simultaneously and each car comes atrest in the same time. The ratio of their magnitudeof retardations (a a) is |
| Answer» Two cars A and B travelling towards each other ona straight road with speed 20 ms and 10 msrespectively. When they are 400 m apart both driversapply brakes simultaneously and each car comes atrest in the same time. The ratio of their magnitudeof retardations (a a) is | |