1.It the mean annual runoff of a drainage basin of 10000 km^2 is 140 m^3/s, and the average annual precipitation is 105 cm, estimate the ET losses for the area in 1 year. What are your assumptions? How reliable do you think this estimate is?
2.If the resultant force of the two tugboats is 2.2kN , directed along the positive x axis, determine the required magnitude of force Fb
Determine the direction \theta of force Fb
Fa=2 KN
3.What is the difference in the density and specific weight of air if pressure increases from 1 to 50 atmospheres if temperature is kept at 4 degrees Celsius?