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A train(T) is running uniformly on a str...

A train(T) is running uniformly on a straight track. A car is travelling with constant speed along section AB of the road which is parallel to the rails. The driver of the car notices that the train is having a speed of `7 m//s` with respect to him. The car maintains the speed but takes a right turn at B and travels along BC. Now the driver of the car finds that the speed of train relative of him is `13 m//s`. Find the possible speeds of the car.

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`5 m//s, 12 m//s`
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