how do I calculate (?x)^2... I know ?x= (x - <x>)^1/2; so(?x)^2= (x - <x>)
<x> is an odd function so it is zero
so, <x^2> is left over
and, after the integration is solved check to see if normalizationis done and after this i'm stuck...

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<p>In the figure, four particles are fixed along an x axis,separated by distances d = 7.00 cm. The charges are q1 = +1e, q2 =-e, q3 = +e, and q4 = +4e, with e = 1.60 10-19 C. In unit-vectornotation, where right is the + direction, what is the netelectrostatic force on each particle below due to the otherparticles?<br /><br />I am very very confused by thisproblem.</p>
<p>I figured that you would set this up like but am unsure ofthe q2 value since its Negative. I believe it only refers todirection.</p>
<p> </p>
<p>F1 = F(12) + (F13) + F(14) </p>
<p>F(12) = (8.99*10^9)(1.6*10^-19)(1.6*10^-19) /.07^2</p>
<p>F(13) = (8.99*10^9)(1.6*10^-19)(1.6*10^-19) /.14^2</p>
<p>F(14) = (8.99*10^9)(1.6*10^-19)(6.4*10*-19) /.21^2</p>
<p> </p>
<p>Also it is wanting me to answer in Vector Notation?HUH</p>
<p> </p>
<p> </p>

<div class="content">I need to find the How much heat isrequired for process A and B?<br /><br />For theProcess A, it is constant vouleme, so I get Q=1.014219013.... J forthe first one, but my friends have -1000J So, I think my equation:Q=Cv(vp_2-vp_1)/R may be wrong... please help me :)<br/><br />This is the diagram: <a rel="nofollow"href="http://session.masteringphysics.com/problemAsset/1070978/5/17.P57.jpg">http://session.masteringphysics.com/prob…</a>
<div class="asset"><imgsrc="http://session.masteringphysics.com/problemAsset/1070978/5/17.P57.jpg"alt="17.P57.jpg" width="320" height="260" /></div>
<br /><br />Also I have no idea what to do with thepart B....</div>

1) For molecule H81Br, solve the following based on the information listen below.<br /><div>- Bond Length=141.4pm & IR absorption (change v = +-1) = 2689</div><div> </div><div>a) Using the wavefunction for the Harmonic Oscillator model, determine if a transition of delta v = +-3 is allowed using the transition of v=0 to v=0. Which tansition dopole moment is larger v=1 or v=3? What would this imply for theabsorptivity of these transitions? Support your answer.</div><div> </div><div>b) What are the turning points for H81Br for this molecule in the v=1 energy state?</div><div> </div><div>c) What is the probability of finding the moledule within these turning points?</div><div> </div><div>d) How much will the observed spectrum change if you were to substitute h79Br into the spectrometer?</div><div> </div><div>e) If the delta v = 2 peak for H81Br is observed at 5290 1/cm, determine the anharmonicity (X) and the dissociation energy (De) for H81Br.<br /></div><div> </div><div> </div>

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how do I calculate (?x)^2... I know ?x= (x - <x>)^1/2; so(?x)^2= (x - <x>)
<x> is an odd function so it is zero
so, <x^2> is left over
and, after the integration is solved check to see if normalizationis done and after this i'm stuck...

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Physics: Principles with Applications

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how do I calculate (?x)^2... I know ?x= (x - <x>)^1/2; so(?x)^2= (x - <x>)<x> is an odd function so it is zeroso, <x^2> is left overand, after the integration is solved check to see if normalizationis done and after this i'm stuck...

Related textbook solutions

Physics: Principles with Applications

Related questions

Weekly leaderboard

how do I calculate (?x)^2... I know ?x= (x - <x>)^1/2; so(?x)^2= (x - <x>)
<x> is an odd function so it is zero
so, <x^2> is left over
and, after the integration is solved check to see if normalizationis done and after this i'm stuck...