What is the hardness of copper ore?

Whenever the net force on a moving object is zero its acceleration is

Public transportation is the most fuel efficient way to get to your local store. T or F

What is the magnitude of the net force acting on a 2.0 x10^3 kilogram car?

3) A defense football player on one team tackles the other team's quarterback, who is running down the field. The quarterback is pushed to the ground by the defensive player. 4) apply Newton's first law to explain what happened?

How much momentum does a 25 kg mass moving at 25 m/s have?

Calculate the energy released as heat when 51.60 g Cu 2 O (s) undergo oxidation at constant pressure.

During summer vacation, Juan traveled a total distance of 400 miles. His trip took 8 hours. What was the average speed during his trip?

Where Pabs is absolute pressurePg, is gauge pressure, and Patm is atmospheric pressure. For example, if your tire gauge reads 34 lb/incz (pounds per square inch), then the absolute pressure is ...

The tip of a triangle is held 12.0 cm above the surface of a flat pool of water. A submerged swimmer in the pool sees the tip of the triangle at what distance above the water? Let the indices of refraction nwater = 1.33 and nair = 1.00.

What is a lever used for?