1 Kg of water (CP = 0.5 J/Kg°C) is pumped to a height of 1 m, work do – McqOptions

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1.	1 Kg of water (CP = 0.5 J/Kg°C) is pumped to a height of 1 m, work done by the motor is 20 J/Kg, and heat liberated by it is 5 J/Kg, what is the final temperature of water if the initial temperature was 20°C?
A.	20°C
B.	30°C
C.	40°C
D.	50°C
Answer» C. 40°C

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