A projectile is launched vertically upward from a planet of mass M and radius R; its initial speed is 22 times the escape speed. Derive an expression for its speed as a function of the distance r from the planets center.

Physics 213 // Week 1 Notes PSU Spring Term, 2017 Chapter 15 Notes _____ = Formula Questions to understand before doing homework: Q: What is oscillation A: Oscillation is the movement back and forth at a certain speed.(Think swinging) Q: What is frequency, f A: Frequency, f, of periodic, or oscillatory, motion is the...