Which factors affect the strength of an electromagnet? Check all that apply.

Two books are located 1 m above the surface of the Earth. The first has a mass of 2 kg; the second has a mass of 1 kg. Which statement about the pull of Earth's gravity is true? A.

Identify the method of thermal energy transfer.

Magnus is installing a resistor in series with the bimetallic switch. why is he doing this? a. to avoid archin. b. to make the thermostat snap or operate more quickly. c. to change the operate thermostat temperature. d. to anticipate heat changes

The first law of thermodynamics states that ΔE = Q - W. Is this also a statement of the principle of conservation of energy? Yes, the heat added and the change in internal energy of the gas equal the work done by the piston.

How many miles do you have when your gas light comes on?

A school bus full of students drives down the road. Because it is moving, it has 1. potential energy because it has the ability to take the students to school. 2. kinetic energy because it has the ability to take the students to school. 3.

How many additional valence electrons does fluorine need to have a full valence shell? A. One B. Two C. Eight D. Seven

If you double the radius of the earth and keep the mass of the earth the same, the acceleration of gravity on the surface of the earth will be approximately ...

In an electron dot diagram the symbol for an element is used to represent

The space shuttle undergoes an acceleration of 53.9 m/s2. How fast is it traveling at the end of 55.2s