There are 200 turns of wire around an electromagnet. The current flowing through the wire is 6 amp. You want to increase the strength of the magnet to 1.5 times its present strength. ---> What are two changes you can make to achieve your goal? *

An observer that stands still as the electron moves by him, will observe

Abumper car with a mass of 250 kg is traveling at a speed of 4 m/s. this bumper car collides and sticks to a second bumper car with a mass of 250 kg, which is initially at rest. what is the final speed of these two bumper cars after the collision, assuming they remain stuck together?

Which radioisotope is used in dating geological formations?