Mathematics

Mathematics, 16.10.2019 21:00, dlow2243

How do you find the value for x in the problem?

How do you find the value for x in the problem?

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Computers and Technology, 21.08.2019 06:10, Nicoleycannolii

Why does a business need to use effective strategies to find a solution for a problem? to thoroughly understand the problem to find several solutions to a problem to properly diagram the flow of information to solve the problem to find a solution that cannot be replicated

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Mathematics, 22.09.2019 11:00, travisjpatterson

If you get this all right ill give away 99 ! problem 1: solve the equation 5(-3x - 2) - (x - 3) = -4(4x + 5) + 13 problem 2: simplify the expression 2(a -3) + 4b - 2(a -b -3) + 5 problem 3: if x < 2, simplify |x - 2| - 4|-6| problem 4: find the distance between the points (-4 , -5) and (-1 , -1). problem 5: find the x intercept of the graph of the equation . 2x - 4y = 9 problem 6: evaluate f(2) - f(1) f(x) = 6x + 1 problem 7: find the slope of the line passing through the points (-1, -1) and (2 , 2). problem 8: find the slope of the line 5x - 5y = 7 problem 9: find the equation of the line that passes through the points (-1 , -1) and (-1 , 2). problem 10: solve the equation |-2x + 2| -3 = -3

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Physics, 04.10.2019 20:00, surfer89

Problem 1. at time t = 0 the state of a particle in one dimension (1d) is given by ψ(x, 0) = a x 2 + a 2 here a and a are some positive constants. i) find a ii) sketch the graph of the probability density of ψ iii) find the probability that the particle is within −a < x < a and − √ 2a < x < √ 2a iv) find the expectation value of the momentum operator hpi problem 2. consider a state of a 1d particle at time t = 0 given by ψ(x, 0) = ae −x 2 2s2 here s is some positive constant, and a is the normalization factor. i) find a ii) find hpi, hp 2 i iii) find σx and σp and verify that they satisfy the uncertainty relation. iv find hpi and hp 2 i for ψ(x, 0) = a exp − x 2 2s 2 + ikx where k is some constant. problem 3. a 1d particle of mass m is in a state given by ψ(x, t) = ( a(1 + cos( x l ))e i~ 2ml2 t for |x| < πl 0 otherwise here l is some constant length, and a is the normalisation constant. i) find a ii) find the potential v (x) for |x| < πl such that ψ(x, t) satisfies the schr¨odinger equation. iii) find hpi and hp 2 i extra credit: find hxi, hx 2 i and show that σx and σp are consistent with the uncertainty relation. look up any integrals you need or use wolfram alpha to find the expression for hx 2 i.

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