PhysicsLAB NextTime Question
Gravitation #2

 
 
Which would require the greater change in the Earth's orbital speed (30 km/sec):
 
        a) slowing it down so that it would crash into the Sun (0 km/sec), or
        b) speeding it up so that it would escape from the Sun (42 km/sec)?

View Correct Answer
 
Which would require the greater change in energy?
 
        a) slowing it down so that it would crash into the Sun, or
        b) speeding it up so that it would escape from the Sun?

View Correct Answer




Paul G. Hewitt
Copyright © 1984-2005
All rights reserved.
Used with written permission.
PhysicsLAB
HTML conversion
Copyright © 1997-2017
Catharine H. Colwell
All rights reserved.
Mainland High School
Daytona Beach, FL 32114