Which of the following statements is true

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.

What evidence supported the oscillating big bang?

When you hit the ground after jumping, your knees are slightly bent instead of being straight. explain how this compares to using flexible materials in buildings that may be hit by an earthquake?