The number of moons a planet has orbiting around it is determined by ...

How do you balance this equation Mg + O2 = MgO

1. Why is the theory that all things are made up of atoms a theory and not a fact?

If there's nothing faster than light, how did the dark get there first

The gas in a cylinder has a volume of 3 liters at a pressure of 100 kPa. The pressure of the gas is increased to 203 kPa. Assuming the temperature remains constant, what would the new volume be?

What is zero on the kelvin scale

The amount of force needed to keep a 0.1kg basketball moving at a constant speed of 6 m/s on frictionless ice is ___ N

What three forms of kinetic energy can a polyatomic molecule have?

A parachutist bails out and freely falls 50 m. Then the parachute opens, and thereafter she deceler - ates at 2.0 m/s2. She reaches the ground with a speed of 3.0 m/s.

Why the weight of a body decreases with increases in distance from the earth's surface

On a fishing trip Justin rides in a book 12 km south. The fish aren't biting so they go for kilometers west. They then follow a school of fish 1 km north. What distance did they cover? What was their displacement?