A freight train rolls along a track with considerable momentum. If it rolls at the same speed but hastwice as much mass, its momentum isa. zero. b. doubled. c. quadrupled. d. unchanged.

What would happen to a light bulb if the voltage increased but the resistance stayed the same?

Explain the difference between work and power.

Electronic signals that are smoothly varying signals produced by continuously changing the voltage or current in a circuit are a. digital signals. b. cathode rays. c. diode signals. d. analog signals.

What is p in physics?

Describe another real-world example of a perfectly inelastic collision

Witch types of electromagnetic waves have wavelengths that are longer than those of visible light but shorter than those of microwave?

Temperature is the transfer of thermal energy from one object to another.

Describe how handball players move the ball

What is measuring the age of fossils in years called

A wire 0.80m long carrying a current of 3.2A is perpendicular to a 0.15T magnetic field (B field). What is the force on the wire? (Use F=BIL to solve!) Input answer with 3 decimal places (for example: 555) and do NOT include the units! E