Let G denote the universal gravitational constant and let Mand m denote masses a
Chapter 12, Problem 1(choose chapter or problem)
In exercises that require numerical values, use Table 12.7.1 and the following values, where needed:
radius of Earth = 4000 mi = 6440 km
radius of Moon = 1080 mi = 1740 km
1 year (Earth year) = 365 days
(a) Obtain the value of C given in Formula (16) by setting \(t = 0\) in (15).
(b) Use Formulas (7), (17), and (22) to show that
\(v \times b=G M[(e+\cos \theta) i+\sin \theta j]\)
(c) Show that \(\|v \times b\|=\|v\|\|b\|\)
(d) Use the results in parts (b) and (c) to show that the speed of a particle in an elliptical orbit is
\(v=\frac{v_{0}}{1+p} \sqrt{e^{2}+2 e \cos \theta+1}\)
(e) Suppose that a particle is in an elliptical orbit. Use part (d) to conclude that the distance from the particle to the center of force is a minimum if and only if the speed of the particle is a maximum. Similarly, argue that the distance from the particle to the center of force is a maximum if and only if the speed of the particle is a minimum.
Equation Transcription:
Text Transcription:
t=0
v × b = GM[(e + cos θ )i + sin θ j]
||v × b||=||v|| ||b||
v=v_0/1+e sqrt e^2 +2e cos θ + 1
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