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A bus running at a speed of 18 km/h is stopped in 2.5 seconds by

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A bus running at a speed of 18 km/h is stopped in 2.5 seconds by applying brakes Calculate the retardation produced.

retardation

Asked in Physics by Anjali | 42 Views

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At a given instant, the speed of a scooter is $54 {km} / {h}$ and after $10 {sec}$. it becomes $18 {~km} / {h}$; calculate its acceleration, assuming it to be constant.

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Find the initial velocity of a car which is stopped in 10 seconds by applying brakes.

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A car travels 30 km at a uniform speed of 40 km/h and the next speed of 20 km/h. Find its average speed.

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On a 120 km track, a train travels the first 30 km at a uniform speed of 30 km/h. How fast must the train travel the next 90 km so as to average 60 km/h for the entire trip?

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