Increasing radius causes which of the following?

A. Acceleration and force to increase

B. Acceleration and force to decrease

c. Acceleration to stay the same and force to

increase

D. Acceleration to increase and force to stay the

same

What type of force holds atoms together in a crystal?

A piece of iron is heated and then cooled by dropping it in water. The heat lost by the piece would be higher if

What causes an atom to be neutral? a. equal number of protons and neutrons b. equal distance between the nucleus and electrons c. equal number of electrons and protons d. equal distribution of electrons

The absolute temperature of a gas is increased four times while maintaining a constant volume. What happens to the pressure of the gas? It decreases by a factor of four. It increases by a factor of four. It decreases by a factor of eight.

Name three devices that use electricity and magnetism to operate.

Why does water in hot springs always remain hot? Why doesn't it's thermal energy spread out?

True or false All forces are different; each exerts a particular type of effect on a object

The Yerkes refracting telescope has a 1.00 m diameter objective lens of focal length 20.0 m. Assume it is used with an eyepiece of focal length 2.50 cm. (a) Determine the angular magnification of the planet Mars through this telescope.

A small kid sits on a bike (Anita). A bigger and stronger person (Jamy) pushing the kid so that the kid starts speeding up. (neglect friction). Mark all correct statements about the forces between them. A.

A ___ is awarded to the opposing team when that team violently or dangerously charges a opponent. (in soccer) A) Goalie kick B) Indirect kick C) Direct kick D) Throw in