1. Limited time only! Sign up for a free 30min personal tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Homework Help: What Delta V was required?

  1. Jan 4, 2015 #1
    A satellite changes its orbit inclined 66° at 260.0 km altitude to a polar orbit at the same altitude. What Delta V was required?

    ... I am stuck.

    do I figure it out using:

    DeltaV1 = |V_transfer at orbit 1 - V_orbit 1|
    DeltaV2 = |V_transfer at orbit 2 - V_orbit 2|

    or is there another way?

    Thank you in advance!
  2. jcsd
  3. Jan 4, 2015 #2


    User Avatar
    Science Advisor
    Homework Helper
    Gold Member

    I'm not sure what two velocities those variables represent. One that thing that may be confusing is that while in an orbit there is no single velocity that goes with it - the velocity keeps changing.
    Think of it this way: in order to switch from one orbit to the other, you have to get to a point on the target orbit. How is that going to happen? Will it require a deliberate velocity change? When that has happened, what velocity change is needed to complete the process?
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook

Have something to add?
Draft saved Draft deleted