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01:750:109 Study Guide - Midterm Guide: Orbital Speed

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Rutgers University
Department
Physics
Course
01:750:109
Professor
chuckkeeton

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Document Summary

Newton"s law of gravity: the speed of light is c = 3. 0 108 m/s, 1 au = 1. 5 1011 m, sun: mass m! = 5800 k: here are properties of the major planets in our solar system: Density: where g = 6. 67 10 11 m3 kg 1 s 2. Let r1 and v1 be a planet"s distance from the sun and orbital speed at perihelion, and let r2 and v2 be the corresponding quantities at aphelion. Then kepler"s second law implies the relation r1v1 = r2v2. F = t 4 where = 5. 67 10 8 w m 2 k 4. Kepler"s third law, with m in solar masses, a in au, and p in years: Kepler"s third law, with m in earth masses, a in km, and p in seconds: a3.

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Related textbook solutions

Physics: Principles with Applications
7th Edition, 2013
Giancoli
ISBN: 9780321625922

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Related Questions

(part 1 of 3)
A rectangular loop of copper wire of re-
sistance R has width a and length b. The
loop is stationary in a constant, uniform mag-
netic field B0, directed into the page as shown
above.

(part 2 of 3) Let :

n = 9 , a= 9 m, b= 7 m, and B0 = 2 T.

What is the induced emf inthe loop of wire?

1.E = 120 V

2.E = 1134 V

3.E = 2268 V

4.E = 240 V

5.E = 1440 V

6.E = 0 V

(part 3 of 3)

What is the net magnetic force on the loop of wire?

1.F = 70 N

2.F = 12 N

3.F = 0 N

4.F = 14 N

5.F = 40 N

6.F = 22.2222 N



Figure below shows a cycle undergone by 1.00 mol of an idealmonatomic gas. The temperatures
are T1 = 300 K, T2 = 600 K, and T3 = 455 K.
For 1 ? 2, what are
(a) (2 points) heat Q?
(b) (2 points) The change in internal energy ?Eint?
(c) (2 points) The work done W?
For 2 ? 3, what are
(d) (1 points) Q?
(e) (2 points) ?Eint?
(f) (2 points) W?
For 3 ? 1, what are
(g) (2 points) Q?
(h) (2 points) ?Eint?
(i) (2 points) W?
For the full cycle, what are
(j) (2 points) Q?
(k) (2 points) ?Eint?
(l) (2 points) W?
The initial pressure at point 1 is 1.00 atm (= 1.013 × 105 Pa).What are the
(m) (2 points) volume?
(n) (2 points) Pressure at point 2?
(o) (2 points) Volume?
(p) (1 points) Pressure at point 3?
Problem 4.15 A hydrogen atom starts out in the followinglinearcombination of the stationary states n = 2, l=1, m = -1:
ψ(r,o) = (1/√2) ( ψ 211 +ψ 21-1 )
(a) Construct ψ (r,t). Simplify it as muchas youcan.
(b) Find the expectation value of thepotentialenergy, <V>. (Does it depend on t?) Give both theformula andthe actual number, in electron volts.
(c) What possible values of energy couldyoumeasure and with what probability(s)?
(d) What possible values of the magnitudeoforbital angular momentum could you measure and withwhatprobability(s)?
(e) What possible values ofthez-component of orbital angular momentum could you measure andwithwhat probability(s)?