Homework Statement
"At what height above planet B's surface (in meters) does the gravitational field intensity become 0.6 times its value on the surface of planet B, given that the radius of planet B is 6.40 x 10^3 km and that its mass is 5.97 x 10^24 kg?
Homework Equations
g=Gm/r^2...
Homework Statement
Evaluate the indefinite integral: sec^2(x)/√(tanx)
Homework Equations
The Attempt at a Solution
When I tried this, I got -csc/(2/3)(secxtanx)^(3/2)+C