Sue can easily lift a 45.0-n rock with the of a lever. when she pushes down with 20.0 n of force, she lifts the rock 0.3 meters. how far does she move her arms to do this?

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 = 2.1 m below the tank bottom which is a = 7.4 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)