an electric motor can lift a certain mass of water to a height of 20m in 1.5min if work done is 400J then find the mass of water and power of the motor take g=10m/s plz hurry need answer immediately
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1
Answer:
w= mgh
400 = m x 9.8x 20
m= 400/196= 2kg
power= 400/90= 4.44 watt
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if there is any example that is like this question then follow that
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