******************************THE ANSWER SHOWN FOR PART B IS WRONG!!!!!!!!!!!!!!

Question

******************************THE ANSWER SHOWN FOR PART B IS WRONG!!!!!!!!!!!!!!!!!! THIS IS THE PART I NEED HELP WITH**************************************

Assignment Gradebook ORION ent MESSAGE MY NSI RUCIOR FULL SCREEN pRII ER VERSION BACK NEX Chapter 13, Problem 038 14 Your answer is partially correct. Try again. In deep space, sphere A of mass 79 kg is located at the origin of an x axis and sphere B of mass 110 kg is located on the axis at x 5.2 m. Sphere B is released from rest while sphere A is held at the origin. (a) What is the gravltational potential energy of the two-sphere system just as B is released? (b) What is the kinetic energy of B when it has moved 3.6 m toward A? (a) N (b) N Click if you would like to show Work for this question: Open Show Work 1.11E-7 1.6E-7 SHOW HIN LINK TO SAMPLE PROBLEM MATH HELP Question Attempts: 6 of 10 used SAVE FOR LATER SUBMIT ANSWER Copyright 2000-2017 by John Wiley & Sons, Inc. or related companies. All rights reserved. icy I 2000-2017 ohn Wiley & Sons, Inc. All Rights Reserved. A Division of John Wiley & Sons, Inc. Version 4.22

Explanation / Answer

a )

using equation

U = - G m1 m2 / r

U = - 6.67 X 10-11 X 79 X 110 / 5.22

U = - 2.143 X 10-8 J

b )

U ' = = - G m1 m2 / r

U ' = - 6.67 X 10-11 X 79 X 110 / 3.62

U ' = - 4.47 X 10-8 J

now change is = U - U '

= - 2.143 X 10-8 + 4.47 X 10-8

= 2.327 X 10-8 J

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