A pump can lift 100L of water to a height 20m in 9.8second. what is the power of the pump?
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Answer:
2000
Explanation:
p=w÷t
w= mgh
m=100
g=9.8
h=20
100×9.8×20=19600
p=w÷t
19600÷9.8=2000
p=2000
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