Contrast physical changes with chemical changes

What happens when a current moves through a wire and the wire is placed near a magnet

Chocolate chip cookies or chocolate fudge cookies?

Which one of the following is the weakest electrical conductor? A. a sheet of aluminum foil B. a cup of orange juice C. a metal lunchbox D. a rubber ball

Make sure that you spend extra time warming up during - O O A. spring B. cold weather O c. the afternoon O D. a heat wave

An airplane takes 4 hours to travel a distance of 3600 miles with the wind. The return trip takes 5 hours against the wind. Find the speed of the plane in still air and the speed of the wind.

The magnetic field in a solenoid is. A circular wire of radius 8 cm is concentric with a solenoid of radius 2 cm and length d = 2 meter, containing 12000 turns. The current increases at a rate of 40 A/s. What is the emf in the wire?

1.) State which definition of power below is correct. A.) the energy transferred per hour. B.) the energy transferred. C.) the energy transferred per second. D.) the force over a distance. 2.

Which types of matter are made of atoms

What are some examples of uniform motion

If cable cb is subjected to a tension that is twice that of cable ca, determine the angle u for equilibrium of the 10-kg cylinder. also, what are the tensions in wires ca and cb?