Question: A train was moving at the rate of 54 Kmh-1 when brakes were applied. It came to rest within a distance of 225 m. Calculate the retardation produced in the train. Solution: Calculating the retardation Initial velocity(u): (Conversion from Kmh-1 to ms-1) $${54 \ \frac {km}{h}=54 \ (\frac{5}{18}) \ \frac{m}{s}}$$ $${u=15 \ \frac{m}{s}}$$ Final…
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