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The velocity of a train travelling at 100 km/h decreases by 10 per cent in the first 40 s after applica- tion of the brakes. Calculate the velocity at the end of a further 80 s assuming that, during the whole period of 120 s, the re- tardation is proportional to the velocity.

Question-AnswerCategory: Theory Of MachinesThe velocity of a train travelling at 100 km/h decreases by 10 per cent in the first 40 s after applica- tion of the brakes. Calculate the velocity at the end of a further 80 s assuming that, during the whole period of 120 s, the re- tardation is proportional to the velocity.
John asked 4 months ago

The velocity of a train travelling at 100 km/h decreases by 10 per cent in the first 40 s after application of the brakes. Calculate the velocity at the end of a further 80 s assuming that, during the whole period of 120 s, the re-
tardation is proportional to the velocity.

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