practice1 - Richard Hallstein- PHY232/232C Fall 2010 1...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Richard Hallstein- PHY232/232C Fall 2010 1 Practice 1 Hallstein, Richard Keep this exam CLOSED until advised by the instructor. Fill out the bubble sheet: last name, first initial and student number. 60 minute long closed book exam. A two-sided 8.5 by 11 handwritten help sheet is allowed. When done, hand in your bubble sheet and your exam . Possibly useful constants: k e = 8.99 10 9 Nm 2 /C 2 = 8.85 10-12 As/(Vm) = 4 10-7 Vs/(Am) c = 3.00 10 8 m/s g = 9.81 m/s 2 G = 6.67 10-11 Nm 2 /kg 2 e = 1.60 10-19 C m e = 9.11 10-31 kg m e c 2 = 0.511 MeV h = 6.63 10-34 Js h = 4.14 10-15 eVs hc = 1240 eVnm = 5.67 10-8 W/(m 2 K 4 ) Wiens constant = 2.898 10-3 Km R H = 1.097 10 7 1/m E = 13.6 eV a = 0.529 Angstrom 1 eV = 1.60 10-19 J 1 AMU (1 u) = 931.494 MeV/c 2 = 1.67 10-27 kg Field directly into page. Field directly out of page 1 pico (p) = 10-12 hallstei@msu Richard Hallstein- PHY232/232C Fall 2010 3 Practice 1 4 pt An ion has 103 neutrons, 78 protons and 75 electrons. What is the net charge in Coulombs on the ion? 1. A circlecopyrt 1 . 6 10- 19 B circlecopyrt 2 . 10- 19 C circlecopyrt 2 . 5 10- 19 D circlecopyrt 3 . 1 10- 19 E circlecopyrt 3 . 8 10- 19 F circlecopyrt 4 . 8 10- 19 G circlecopyrt 6 . 10- 19 H circlecopyrt 7 . 5 10- 19 3 pt Two spherical objects with a mass of 8.01 kg each are placed at a distance of 3.36 m apart. How many electrons need to leave each object so that the net force between them becomes zero? 2. A circlecopyrt 2 . 30 10 9 B circlecopyrt 2 . 69 10 9 C circlecopyrt 3 . 15 10 9 D circlecopyrt 3 . 68 10 9 E circlecopyrt 4 . 31 10 9 F circlecopyrt 5 . 04 10 9 G circlecopyrt 5 . 90 10 9 H circlecopyrt 6 . 90 10 9 3 pt Consider the system of four charges in the diagram below. Each charge is 39 cm from the origin....
View Full Document

This note was uploaded on 04/08/2011 for the course PHY 232 taught by Professor Mr.nagy during the Spring '06 term at Michigan State University.

Page1 / 4

practice1 - Richard Hallstein- PHY232/232C Fall 2010 1...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online