What is the power of an engine which can lift 20 metric tonne of coal per hour from a 20 m deep mine?

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What is the power of an engine which can lift 20 metric tonne of coal per hour from a 20 m deep mine?
03
Oct
What is the power of an engine which can lift 20 metric tonne of coal per hour from a 20 m deep mine? What is the power of an engine which can lift 20 metric tonne of coal per hour from a 20 m deep mine? October 3, 2020 Category: Uncategorised (JEE Advanced Physics by [...]
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