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a) Calculate the power of the pump which can lift 100 kg of water to store in a water tank atthe height of 19 m in 25 sec. (take the value of g-10 m/s')b) Describe two methods used to reduce the friction between two surfaces. |
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Answer» Reducethe forces acting on thesurfaces. Reducethe contactbetweenthesurfaces. |
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