Syvum Home Page

Home > Physics > Gravitation >

Home: Return
Home: Return
Refresh or reload the page to change the numerical values in this example.

Example G.9: Escape Velocity of a Satellite

Example:

The escape velocity from a planet is 20 km/s. What will be the new escape velocity if the planet suddenly contracts such that its radius is 1/5 times its original value and its mass increases by 5 times?

Solution:

The escape velocity from a planet is given by equation (G.25). Substituting Mn = 5 M and Rn = 5 R, we get the relationship

vn = 5 v.

Here subscript n denotes the new values. Thus the new escape velocity = 5 x 20 = 100 km/s.

Refresh or reload the page to change the numerical values in this example.

Home: Return
Home: Return

Contact Info © 1999-2017 Syvum Technologies Inc. Privacy Policy Disclaimer and Copyright