A magnet is passed back and forth through a coil connected to a light bulb. The light bulb lights up. Why?

Identify the situations that have an unbalanced force. Check all that apply. A weight speeds up as it falls through the air A garbage can is at rest on the ground A hockey puck moves in a straight line at a constant speed A bumper car hit by another

Which quantity causes a change in linear momentum?

In an electromagnetics lab, you are studying two coils which have a mutual inductance of M=300 mH. Suppose that the current in the 1st coil increased linearly from 2.8 A to 10 A in a span of 300 ms and that the 2nd coil has a resistance of R=0.

About how fast is the speed of sound in air

3. A student pushed a 10.0 kg box across a level, frictionless floor with an acceleration of 5.00 m/s. Calculate the force the student applied to the box? A. 0.500 N B. 2.00 N C. 15.0 N D. 50.0 N

Wood is an example of a fossil fuel. User: The type of energy stored by fossil fuels such as coal is a. kinetic energy. b. mechanical energy. c. chemical potential energy. d. electromagnetic energy. User: An example of a fossil fuel is a. wood. b.

What type of changes does erosion cause? A physical B chemical C electrical D magnetic

Which of the following will exert a force on a magnet? another magnet a nearby piece of glass a nearby piece of plastic a nearby electric current

The rate at which light energy is radiated from a source is measured in which of the following units? A. Lumen B. Candela C. Lux D. Angstrom

Which type of energy makes up most of the internal energy of a solid substance? A. Kinetic energy from translation B. Kinetic energy from rotation C. Kinetic energy from vibration D. Potential energy from intermolecular forces