Questions
The power of water pump is 2 kW . If g =10 m /s2 , then amount of water it can raise in 1 minute to a height of 10 m is
detailed solution
Correct option is D
P=Et=mght or ∴ m=2×103×6010×10 kgTalk to our academic expert!
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The heart of a man pumps 5 litres of blood through the arteries per minute at a pressure of 150 mm of mercury. If the density of mercury be then the power of heart in watt is:
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