A 0.50-m long solenoid consists of 1 000 turns of copper wire wound with a 4.0 cm radius.
When the current in the solenoid is 18 A, the magnetic field at a point 1.0 cm from the central axis of the solenoid is:

a) 0.090 mT. b) 0.36 mT. c) 23 mT. d) 36 mT. e) 45 mT.

Determine el momento angular de un rueda de 3000g moviendose a 10m/s con un radio de giro de 400cm

The experiment was repeated many years later but the gases were mixed in a different type of container. a white solid was obtained which was xenon fluoride. predict whether you think 1) krypton and 2) radon will react with fluorine. explain reasons for your predictions

In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final