In metal wires the charged particles that move are A. protons B. electrons C. neutrons D. none of the above

Which statement correctly describes the movement of thermal energy according to the second law of thermodynamics? The natural tendency of systems is for heat to flow from a cooler object to a warmer one.

The strength of the force depends on which two factors?

When a positively charged conductor touches a neutral conductor, the neutral conductor will 1. lose protons. 2. stay neutral. 3. gain protons. 4. lose electrons. 5. gain electrons?

What must you do before you make a hypothesis?

A roller coaster at an amusement park has a dip that bottoms out in a vertical circle of radius. A passenger feels the seat of the car pushing upward on her with a force equal to twice her weight as she goes through the dip.

The Appalachian mountain range in the Eastern United States was once much taller than the Rocky mountain range in the Western United States.

Describe how lighting is just like you walking across a carpet and getting shocked

You need to raise a heavy block by pulling it with a massless rope. You can either (a) pull the block straight up height h, or (b) pull it up a long, frictionless plane inclined at a 15∘ angle until its height has increased by h.

A 320-m length of wire stretches between two towers and carries a 120-a current. determine the magnitude of the force on the wire due to the earth's magnetic field of 5.0 * 10-5t which makes an angle of 60 ∘ with the wire.

Light acts like a. a wave. b. a particle. c. neither a wave nor a particle. d. both a wave and a particle.