An engine pumps up 1 quintal of coal from a mine 100 m deep in 0.5s. If its efficiency is 60%. power of the engine? Take g=10 ms^2.

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An engine pumps up 1 quintal of coal from a mine 100 m deep in 0.5s. If its efficiency is 60%. power of the engine? Take g=10 ms^2.
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Oct
An engine pumps up 1 quintal of coal from a mine 100 m deep in 0.5s. If its efficiency is 60%. power of the engine? Take g=10 ms^2. An engine pumps up 1 quintal of coal from a mine 100 m deep in 0.5s. If its efficiency is 60%. power of the engine? Take g=10 [...]
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