Question

By an engine the consumption of coal is directly proportional to the square of its velocity.when velocity is 50 mile/ h coal consumption is 100 kg.if the cost of coal is 25p per kg and expenditure is 9 Rs./hour in second case. Then find the consumption in travelling 250 mile

Answer 1

Answer:

Answer. By an engine the consumption of coal is directly proportional to the square of its velocity. when velocity is 50 mile/ h coal consumption is 100 kg.

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