Planetary motion: Show that h = |dr/dt|^2/2 – μ/r is a constant. - Starting from the formula d^r/dt^2 = -μ (r/r^3) show by differentiation that the quantity h = |dr/dt|^2/2 – μ/r is a constant. It is useful to recall that |dr/dt|^2 = dr/dt . dr/dt. You will ...
Vectors - Please please give step by step explanations with answers so I can learn. There are 3 attachments with 1 diagram and then problems.
Planetary data - main diameter Distance from Mass acceleration escape orbital # of
object (miles or the sun AU (earth=1) of gravity(g) velocity period moons
...
Electric Potential Difference - Two protons are moving directly toward one another. When they are very far apart, their initial speeds are 3.00 x 10^6 m/s. What is the distance of closest approach?
Gravitation - Speed of a comet at the closest distance from the sun. See attached file for full problem description.