1. The bottom of an elevated water tank has an

area of 135 m². If the pressure on the bottom is

1.52 x 104 Pa, what is the total force the bottom

must support?

How are electrons in an atom organized?

The two subspecies ties of astronomy are

What do astronomers expect will eventually happen to the Milky Way galaxy?

When the volume increased, what happened to the density?

Explain how a wheelbarrow is a compound machine

A freight train is accelerating on a level track. The tension in the coupling between the engine and the first freight car would change if some of the cargo in the last car were transfered to other cars?

Mass is a ___ quantity, having just magnitude

I hand you two spheres. They have the same mass, the same radius, and the same exterior surface. I claim one is a solid sphere and the other is hollow. Can you determine which is which without cutting them open?

A bullet is fired horizontally at a speed of 50 m/s. What is its initial vertical velocity? A 0 m/s B25 m/s C 43.3 m/s D 50 m/s

Which of the following describes the formation of air convection currents?