Question

4. Use Kepler's Second Law and the fact that L-fxp to determine at which points in an elliptical orbit around the Sun a planet has maximum and minimum speeds. (Section 13.5 will help.) 5. At the end of example 13.10, there's an "Evaluate" blurb about how inside the surface of the Earth the force of gravity varies proportionally to the distance from the center, and it makes reference to the next chapter. which is about oscillation. Model the motion of the "mail pouch" through the shaft to the other side of the Earth as a half-period of simple harmonic motion to determine how long the pouch would take to fall through.

Answer 1

4 solution - tion: 4) We know that for central force motion, angular mome is conserved every where along the path. bed of so topsect at perso n to be sound et portal Apogel Initially, let us take u = maximum speed and ♡ be minimeen spee and let we don't know the points where speed is max. os min. Let y apply conservation of angular momentum at positions where speed is maximen and menimuen. 4 = Lz. let in and re be postion vectory from focus on ramu, singo= re my singo of points where speed u L max and min. عملها م