Questions
The water of volume 4 m3 at the height 20 m is pressed by 2 X 105 N pressure. The work done by motor is
detailed solution
Correct option is B
Work done, W=mgh+ΔpV=Vρgh+ΔpV=4×103×10×20+2×105×4=16×105JTalk to our academic expert!
Similar Questions
At the middle of the mercury barometer tube there is a little column of air with the length and there is vacuum at the top as shown. Under the normal atmospheric pressure and the temperature of 300 kelvin, l0 = 10cm Neglect expansion of the tube. The length of the air column if the temperature rises to 330 kelvin in equilibrium will be
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