An engine raises 1000kg of water through a height of 60m in 20s. What is the power of the engine? (Take g = 10ms-2>).
a
120,000 W
b
30,000 W
c
333 W
d
300 W
e
30 W
Explanation
Correct Option
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Discussions (5)

Ifiok360
11 years ago
Frm the question, it is 1000kg, buh, frm wat u solvd,u used 100kg, the corect anz shud b 30,000kg...tnx
Abdurrahmanmukhtar
9 years ago
The question is wrongly composed:
Of course the answer is 30000, and in the question the mass is 1000kg while in your explanation you wrote 100 instead of 1000
REF: Essential physics, page 55


