Derivation of Velocity-Time Relation by Graphical Method
A car travels...
Question
A car travels a distance of 900 km with a certain speed. If after travelling half the distance, the speed is increased by 15 km/h, time required to travel 900 km is reduced by 112 hours. Find the original speed of the car.
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Solution
Let T1= Time taken by car with original speed=900v
T2= Time taken by car when speed is changed after half distance =450v+45015+v