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LoginKIC5) WORK-POWER-ENERCump set of efficiency 80 %, lifts 800in 19.6 seconds over a headerlitres of water20 m. Its input power is) 64 kW2) 40 kW 3) 10 kw 4) 196 kwweighina 1000 ka is aning ne
Physics Physics QA in Physics . 2 years ago
+10 pts
given the volut of water is 800liters
so, mass of water is 800kg ... ( density is 1kg/l)
now 80% of power = Mgh/t => 0.8p = 800*9.8*20/19.6 = 8000=> power = 8000/0.8 = 10000 watt = 10kw
option 3
Posted on 14 Jul 2022, this text provides information on Physics related to Physics QA in Physics. Please note that while accuracy is prioritized, the data presented might not be entirely correct or up-to-date. This information is offered for general knowledge and informational purposes only, and should not be considered as a substitute for professional advice.
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