Extended ebook content for Cracking the SAT Physics Subject Test, 15th Edition

Excerpted from Cracking the SAT Physics Subject Test, 15th Edition by Steven A. Leduc and the Staff of The Princeton Review. Copyright © 2014 by TPR Education IP Holdings, LLC. Excerpted by permission of The Princeton Review imprint of the Random House Children's Group, a division of Penguin Random House LLC. All rights reserved. No part of this excerpt may be reproduced or reprinted without permission in writing from the publisher.