What is a molecule?

A. A group of positive ions surrounded by delocalized electrons

B. A group of ionically bonded atoms

C. Two oppositely charged ions

D. A group of covalently bonded atoms

Predict the outcome of velocity & acceleration being in the same direction or opposite directions

Water is a compound because it?

When does a newly forming star have the greatest luminosity?

Which of the following is true? a An object moving at constant velocity always has a net force acting on it b An object moving with constant acceleration always has a net force acting on it c The mass of an object is related in a linear fashion to

A huge cannon is assembled on an airless planet having insignificant axial spin. The planet has a radius of 5.00 * 106 m and a mass of 1.46 * 1023 kg. The cannon fires a projectile straight up at 2000 m/s.

The density of uranium is 18.8 g/cm3. part a what is this value in kilograms per cubic meter?

What name is given to the variable we plot on the x-axis? A. The dependent variable B. The independent variable c. The linear variable D. The inverse variable

What force is required to accelerate a body with the mass of 15 kilograms at a rate of 8m/s2?

Indicate whether the statement is true or false. A scientific fact is something that is absolute and unchanging.

Show the formula and caculate the speed of a car that traveled 100 km in 2 hours