The potential energy of a charge q moving from a to b at point a is 5.4 × 10-10 joules and at point b is 2.3 × 10-10 joules. the charge is 2.5 × 10-15 coulombs. what potential difference does the particle undergo?

What changes occur in the brain during the teenage years? 25 points, someone me out!a.) thinking becomes slower as the brain grows larger. b.) connections between neurons become stronger and faster. c.) unused neurons fuse together to form larger, better functioning neurons. d.) more neurons are developed.

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

What happens to an isotope during radioactive decay?