What does the chemical formula CaCl2 show about the compound it represents?

It is made up of one element.

It is made up of two elements.

It is made up of three elements.

It is made up of four elements.

It is weigh-in time for the local under 85 kg rugby team. The bathroom scale that is used to assess eligibility can be described by Hooke's law, which is depressed 0.81 cm for its maximum load of 119 kg.

A little boy pushes a wagon with his dog in it. the mass of the dog and wagon together is 45kg. The wagon accelerates at 0.85 m/s^2. what force is the boy pulling with?

How is velocity different from speed

Do transparent objects absorb light?

If the total dissipated power is to be reduced by 10%, how much should the voltage be reduced to maintain the same leakage current for the Pentium Prescott? Note: power is defined as the product of voltage and current.

Are oranges called oranges because oranges are orange, or is orange called orange because oranges are orange?

An object at rest has no net force acting on it. a. True b. False

A baseball has mass 0.145 kg. (a) If the velocity of a pitched ball has a magnitude of and the batted ball's velocity is in the opposite direction, find the magnitude of the change in momentum of the ball and of the impulse applied to it by the bat.

A long distance runner has an average speed of 4m/s during a race. How far does the runner travel in 20 minutes?

Density is calculated by dividing