Question

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​

Answer 1

Answer:

w= mgh

400 = m x 9.8x 20

m= 400/196= 2kg

power= 400/90= 4.44 watt

Answer 2

Answer:

if there is any example that is like this question then follow that