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Please solve question 3 ,4,5,6
the state IL,tni is an eigenvestor of i and izg with eigeanvalues of +1) and mzh, respectively. Find L>and<I2> n electron is placed in a uniform magnetic field B Bok. At time t O S, was measured and was found to be h/2. (a) (5 points) Write its spin wavefunction at any later time t. (b) (5 points) Calculate < S () (5 pointa) At what time t if you mensure the y component of the spin you will get h/2 15 points Particle l which is spin S =, and particle 2 which is spin S-2 are combined into a single particle with a total pin SSi+S. Find the angle between Sy and Sa such that the value of S is 2. dera simple harmonic oscillator with mass m and frequency ω hut-respectively The two lowest energy eiger state have energies s or Jed (a) (5 points) Calculate the expectation value of kinetic energy for the state with total (b) (5 points) Calculate the expectation value of potential energy for the state with total energy T
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