Imagine that a passenger is walking toward the back of a train as the train is leaving the station. Why would this person’s description of their motion differ from that of an observer standing on the station platform?

What is the internal energy of 4.00 mol of diatomic nitrogen gas n2 at 455k

Balloon a has charge q, and identical mass balloon b has charge 10q. you hang them from threads near each other. choose all of the statements with which you agree. check all that apply. a. a and b exert the same magnitude forces on each other. b. the force that a exerts on b is 10 times the force that b exerts on a. c. the angle between the thread supporting a and the vertical is < the angle between the thread supporting b and the vertical. d. the force that a exerts on b is 1/10 the force that b exerts on a.

What can you increase the strength of an electromagnet by