Physics, 02.02.2020 20:05 hapjajsjjz3738
Suppose that t and v are the kinetic and potential energies, and and momentum. and p are the position (a) prove that [pq, r where p, q and r are operators p[q, r] + [p, r\q, _ (b) show that [f(x), p] = ih dr for an arbitrary function f(x) (c) show that (xp) 2 (t) (1) dt dr (d) show that the left side of eq. (1) becomes zero in a stationary state to obtain dv 2 (t) dar which is called the virial theorem. (e) use the virial theorem, prove that (t) = (v) for stationary states of the harmonic oscillator
Answers: 2
Physics, 21.06.2019 16:00
The rigid beam is supported by the three suspender bars. bars ab and ef are made of aluminum and bar cd is made of steel. if each bar has a cross-sectional area of 450 mm2, determine the maximum value of p if the allowable stress is (σallow)st = 200 mpa for the steel and ( σallow)al = 150 mpa for the aluminum. est = 200 gpa and eal = 70 gpa.
Answers: 2
Physics, 21.06.2019 18:10
The difference between two numbers is 15. when twice the smaller number is subtracted from three times the larger number, the difference is 58.what is the larger number?
Answers: 1
Physics, 22.06.2019 16:00
The solid that is formed and usually sinks to the bottom of a solution is the
Answers: 2
Physics, 22.06.2019 20:30
Which statement best describes the direction of the buoyant force on any object? a. opposite the force of gravity b. in the same direction as the weight c. in the direction of motion of the object d. opposite the direction of motion of the object
Answers: 1
Suppose that t and v are the kinetic and potential energies, and and momentum. and p are the positio...
Mathematics, 24.03.2021 20:20
Mathematics, 24.03.2021 20:20
Biology, 24.03.2021 20:20
Mathematics, 24.03.2021 20:20
English, 24.03.2021 20:20
Mathematics, 24.03.2021 20:20
History, 24.03.2021 20:20
History, 24.03.2021 20:20
Mathematics, 24.03.2021 20:20
History, 24.03.2021 20:20