An electric dyer consumes 7.2 x106 joules of electrical energy when operating at 220 Volts from and AC voltage source for 45 minutes. Determine the current that the dyer draws during operation

What happens when the internal energy of a material increases?. A. its temperature will rise B. it will go through a phase change C. A and B D. A or B

If we start with 400 atoms of a radioactive substance, how many would remain after one half-life? After 2 half-lives? After 3 half-lives? After 4 half-lives?

When the height of the cylinder increased by a factor of 5, from 100 m to 500 m, what happened to the cylinder's gravitational potential energy?

with how much force does the water push on the diver?

During each cycle, a heat engine ejects 75 J of thermal energy for every 115 J of input thermal energy. This engine is used to lift a 345-kg load a vertical distance of 27.0 m at a steady rate of 52.5 mm/s.

Why is fluorine special in terms of electronegativity?

The airbag inflates and deflates quickly so

Two conducting spheres are each given a charge Q. The radius of the larger sphere is three times greater than that of the smaller sphere.

A solenoid with a ferromagnetic core is

When Cannon and Washburn measured stomach contractions with a balloon, they found that?