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The shortest distance in which a motor car traveling at 100km/h on a level road can be brought to rest is 50m. If the motor car is traveling at the same speed up an incline of 1 in 20, find the shortest distance in which it can be bought to rest, assuming the braking force to remain the same?
The path of a jet of water coming from the opening in a side of a water tank is such that the jet falls through a distance of 120mm in a horizontal distance of 1.2 m. What is the velocity ( assumed horizontal) with which the jet leaves the tank?