7. It takes 4.2 J of work to move 1.2 x 10-6 C of charge from...

 

Transcribed Image Text:

7. It takes 4.2 J of work to move 1.2 x 10-6 C of charge from point X to point Y in an electric field. What is the potential difference between X and Y. 8. What potential difference would accelerate a helium nucleus ( q = +2e) from rest to a kinetic energy of 1.9 x 10-15 J. 7. It takes 4.2 J of work to move 1.2 x 10-6 C of charge from point X to point Y in an electric field. What is the potential difference between X and Y. 8. What potential difference would accelerate a helium nucleus ( q = +2e) from rest to a kinetic energy of 1.9 x 10-15 J.