An engine can pump 30,000 litres of water to a vertical height of 45 metres in 10 minutes. Calculate the power. Take g= 9.8 m s^-1 [Density of water = 10³ kg m^-3 1000 liters = 1 m³]

2.2 x 10³ W

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2.2 x 10⁵ W

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2.2 x 10⁶ W

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2.2 x 10⁴ W

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Solution

The correct option is D
2.2 x 10⁴ W

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An engine can pump 30,000 litres of water to a vertical height of 45 metres in 10 minutes. Calculate the work done by the machine. Take g= 9.8 m s^-1 [Density of water = 10³ kg m^-3 1000 liters = 1 m³]

An engine can pump 30,000 L of water to a vertical height of 45 m in 10 min. Calculate the work done by the machine and its power. (density of water = $10^{3} k g / m^{3}$ )