What is the relationship between potential energy and mass

When 49.5 J of heat was transferred to 7.3 g iron at 22°C, the temperature of iron increases to 37°C. What is the specific heat of iron in J/g∙°C?

A loaded ski lift pulls 20 chairs with people sitting in them up 200 meters. Each chair with a person has 250 kg of total mass. How much power does it take to lift them if the ride takes 10 minutes? A. 16,333 W B. 163,333 W C. 980,000 W D.

What is the ionisation energy of an atom

How are the planet's mercury and earth similar?

The sun is located at one of the two BLANK in the shape of earths orbital path

What direction of magnetic field lines inside my magnet

A solid nonconducting sphere of radius r has a charge q uniformly distributed throughout its volume. a gaussian surface of radius r with r < r is used to calculate the magnitude of the electric field e at a distance r from the center of the sphere.

How do the properties of salt compare with the properties of sodium and chlorine

Solve the problem. The Bay area of California was shaken by an earthquake on October 17, 1989. The epicenter was located at Loma Prieta. The diameter of the earthquake's horizontal waves that shocked the area measured about 120 miles.

Lightning is an example of matter in a liquid state. True False i am trying recheck my answers before i do i finish my home work so if i post a lot of questions i am srry ... ?