A pendulum is released from rest from at position A. Derive an equation to determine the centripetal force acting in the pendulum at point C in terms of H, g, and any present forces.

What are the dimensions of the cross section that passes through the points a, f, g, and d?

Find v1, the speed of the fluid in the left end of the main pipe. express your answer in terms of h1, h2, g, and either a1 and a2 or γ, which is equal to a1a2.

The ideal gas model is valid if which of the following conditions is true? the gas density is low. the gas density is high. the temperature is low. the temperature is high. the gas density and the temperature are low. the gas density and the temperature are high. the gas density is high and the temperature is low. the gas density is low and the temperature is high.