1 Kg of water (CP = 0.5 J/KgoC) 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 20oC?

1 Kg of water (CP = 0.5 J/KgoC) is pumped to a height of 1 m, work don

1.	1 Kg of water (CP = 0.5 J/KgoC) 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 20oC?
A.	t20<sup>o</sup>C
B.	t30<sup>o</sup>C
C.	t40<sup>o</sup>C
D.	t50<sup>o</sup>C
Answer» C. t40<sup>o</sup>C

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1 Kg of water (CP = 0.5 J/KgoC) 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 20oC?

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