Suppose there are two rectangular pools: one is 30 feet wide…

Suppose there are two rectangular pools: one is 30 feet wide, 40 feet long, and 3 feet deep throughout, the other is 20 feet wide, 40 feet long, and 5 feet deep throughout. Compare the sizes of the pools in two meaningful ways. State whether your comparisons are related to a 1-dimensional, 2-dimensional, or 3-dimensional aspect of the pools.

What is true about the force on ball 2 if it is allowed to f…

What is true about the force on ball 2 if it is allowed to float to the surface, as shown here? Image Description Diagram of three balls of the same size in a container of water. Balls 1 and 3 are completely submerged in the container of water at approximately the same depth. Ball 2 is floating on the surface.

Two steel balls, one with a mass of 10 grams, and the other…

Two steel balls, one with a mass of 10 grams, and the other with a mass of 10 kilograms, are dropped from the same height at the same time.  How do the gravitational force and acceleration of the large ball compare with those of the small ball at any given time after they are dropped?