Two point charges are placed on the x-axis as follows: charge q1= 3.96 is located at x=0.202 , and charge q2= 4.99 is at x=-0.302 .what is the magnitude of the total force exerted by these two charges on a negative point charge q3= -5.95 that is placed at the origin?

Water is siphoned from a large tank and discharges into the atmosphere through a 50-mm diameter tube. the end of the tube is b = 2.6 m below the tank bottom which is a = 6.7 m deep, and viscous effects are negligible. determine the maximum height h over which the water can be siphoned without cavitation occurring. atmospheric pressure is 101.4 kpa, and the water vapor pressure is 1.79 kpa (absolute). report your answer in meters to two decimal places.