What was the first period of the Paleozoic era

How would you explain American values to someone who has no idea about our society?

A 12 kg box is at rest on your kitchen counter, which your cat is pawing at with a horizontal force of 40 N. If the coefficient of static friction is 0.3, then your cat will succeed in knocking the box off the counter. True or false?

What is the term for collecting information about the physical world via the senses or a scientific instrument? A. Experiment B. Phenomenon C. Theory D. Observation

The mass of a cm3 (cube) stone is 180. a) calculate its density. b) The stone is broken into two peaces. What is the density of each piece. c) The smaller piece weights 80g. Calculate its Volume.

Which of the following statements is true? The more massive an object, the faster its acceleration of gravity. Heavier objects will free-fall more quickly than lighter objects. Objects in free-fall do not experience air resistance.

A proton in a cyclotron is moving with a speed of 2.97*107 m/s in a circle of radius 0.568 m. 1.67 * 10-27 kg is the mass of the proton, and 1.60218 * 10-19 C is its fundamental charge.

If you set up an experiment with two different independent variables, then the results would be

Convert 88 mm to cm?

aluminum has a density of 2.70 gm/cm cubed. what is the mass of a peice of alluminum that has a volume of 100.00 cm cubed

List three fossil fuels. How do they differ from renewable energy sources?