A steel cube 0.30 m on each side is suspended from a scale and immersed in water. What will the scale read?

Aray diagram for a refracted light day is shown. what does the dashed line represent

The mass of a bowling ball is 10 kg and the mass of a ping pong ball is 0.015 kg. if the two objects are 5 meters apart, what is the gravitational force ?

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.