• Choose a category
• All
• Classic-Fiction

By Root 969 0

to “mgh,” then you can easily see that this fractional increase is equal to gh/c2 where g is the acceleration due to gravity and h is the height of the drop.

Copyright © 2009 by Brian Cox and Jeff Forshaw

All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of the publisher. For information, address Da Capo Press, 11 Cambridge Center, Cambridge, MA 02142.

Set in 11 point Minion Pro by the Perseus Books Group

Library of Congress Cataloging-in-Publication Data

Cox, Brian, 1968-

Why does e=mc2 : (and why should we care?) / Brian Cox and Jeff Forshaw. p. cm.

Includes index.

eISBN : 978-0-786-75216-4

1. Einstein field equations. 2. Special relativity (Physics)—Mathematics. 3. Space and time—Mathematics. I. Forshaw, J. R. (Jeffrey Robert), 1968- II. Title.

QC173.6.C68 2009

530.11—dc22

2009009291

First Da Capo Press edition 2009

Published by Da Capo Press

A Member of the Perseus Books Group

www.dacapopress.com

Da Capo Press books are available at special discounts for bulk purchases in the United States by corporations, institutions, and other organizations. For more information, please contact the Special Markets Department at the Perseus Books Group, 2300 Chestnut Street, Suite 200, Philadelphia, PA 19103, or call (800) 810-4145, ext. 5000, or e-mail special.markets@perseusbooks.com.