1. How do we know that electrons and other particles aren't spinning balls of charge? 2....
1. How do we know that electrons and other particles aren't spinning balls of charge?
2. If I say that an electron is a spin-1/2 particle, which of the following statement(s) is/are true?
a) The magnitude of the spin vector is 1/2
b) The magnitude of the spin vector is hbar/2
c) The magnitude of the spin vector along some axis is 1/2
d) The magnitude of the spin vector along some axis is hbar/2
Homework Answers
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1. How do we know that electrons and other particles aren't
spinning balls of charge?
2....
Please help! I don't even know where to start. I know to do the sum of...
Please help! I don't even know where to start. I know
to do the sum of the forces in both directions but I'm not sure how
that translates with the angle!
Problem 4 (7 points). The figure below shows the positions of two α particles(each alpha particle (a) has a charge +2e) and an electron. a) Draw a clear and neat free-body diagram for either sphere at equilibrium. (2 points) b) Determine the magnitude and direction of the resultant force...
Particles 1 and 2 have equal charge, Q and are on the y axis at distance...
Particles 1 and 2 have equal charge, Q and are on the y axis at distance d from the origin as shown in the figure below. Particle 3 of charge Qs is located on the x axis. Let's call this position x A) B) C) D) Find a model for the electrostatic force acting on the third charge. (8 pts.) At what values of x will the magnitude of the electrostatic force on the third particle from the other two...
Chapter 21, Problem 023 In the figure particles 1 and 2 of charge q1 = q2...
Chapter 21, Problem 023 In the figure particles 1 and 2 of charge q1 = q2 = +57.60 x 10-19 C are on a y axis at distance d = 17.7 cm from the origin. Particle 3 of charge q3 +52.80 x 10-19 C is moved gradually along the x axis from x-0 to x = +7.73 m. At what values of x will the magnitude of the electrostatic force on the third particle from the other two particles be...
Consider one dimensional lattice of N particles having a spin of 1 /2 with an associated magnetic...
Consider one dimensional lattice of N particles having a spin of 1 /2 with an associated magnetic moment μ The spins are kept in a magnetic field with magnetic induction B along the z direction. The spin can point either up, t, or down, , relative to the z axis. The energy of particle with spin down is e B and that of particle with spin up is ε--B. We assume that the system is isolated from. its environment so...
n the figure particles 2 and 4, of charge -e, are fixed in place on a...
n the figure particles 2 and 4, of charge -e, are fixed in place on a y axis, at y2--9.48 cm and y4-4.74 cm. Particles 1 and 3, of charge -e, can be moved along the x axis. Particle 5, of charge +e, is fxed at the origin. Initially particle 1 is at x1-9.48 cm and particle 3 İs at x3 = 9.48 cm. (a) To what x value must particle 1 be moved to rotate the direction of the...
In the figure particles 1 and 2 are fixed in place on an x axis, at a separation...
In the figure particles 1 and 2 are fixed in place on an x axis, at a separation of L = 8.30 cm. Their charges are q1 = +e and q2 = -27e. Particle 3 with charge q3 = +6e is to be placed on the line between particles 1 and 2, so that they produce a net electrostatic force Fnet3 on it. (a) At what coordinate should particle 3 be placed to minimize the magnitude of that force? (b) What is that minimum magnitude? I know that the distance ends up being x=L/4 but I'm having trouble...
Question 2 Two particles are fixed to anx axis: particle 1 of charge-6.998 10.7 C is...
Question 2 Two particles are fixed to anx axis: particle 1 of charge-6.998 10.7 C is at the origin and particle 2 of charge+ 6.99 × 10-7 C is atx2-12.7 cm. Midway between the particles, what is the magnitude of the net electric field? Number Units N/C or V/m
Question 3 In Figure a particles 1 and 2 have charge 29.0 μC each and are...
Question 3 In Figure a particles 1 and 2 have charge 29.0 μC each and are held at separation distance d 3.80 m a) what the magnitude o heeectrostati orce on particle 1 due to particle 2? In Figure b particle 3 of charge 29.0 C is positioned so as to complete an e u tera triangle b what S i e magnitude i tenet electrostatic force on particle 1 due to particles 2 and 3? 2 (a) Number Units...
1. In this problem, we are going to look at a three-level system. A spin-1 particld is placed in ...
1. In this problem, we are going to look at a three-level system. A spin-1 particld is placed in a constant magnetic field along the a-direction with strength B,. The spin-1 particle İs initialized in a z-eigenstate with positive eigenvalue h, ie, the i 1,m 1) state. What is the probability to find the negative eigenvalue the spin along the z axis as a function of time? Assume that the spin-1 particle has inagnetic moment 2 × μιι, i.e. that...
Question 2 Two particles are fixed to an x axis: particle 1 of charge 8.96 x...
Question 2 Two particles are fixed to an x axis: particle 1 of charge 8.96 x 10-7 C is at the origin and particle 2 of charge + 8.96 x 10-7 C is at x2 19.2 cm. Midway between the particles, what is the magnitude of the net electric field? Number Units Question 3 The figure shows two charged particles on an x axis:-q6.40x 10-19 Catx--4.50 m and q-6.40x 10-19 Catx 4.50 m. What are the (a)x-and (b) y-components of...
Please help! I don't even know where to start. I know
to do the sum of the forces in both directions but I'm not sure how
that translates with the angle!
Problem 4 (7 points). The figure below shows the positions of two α particles(each alpha particle (a) has a charge +2e) and an electron. a) Draw a clear and neat free-body diagram for either sphere at equilibrium. (2 points) b) Determine the magnitude and direction of the resultant force...
Particles 1 and 2 have equal charge, Q and are on the y axis at distance d from the origin as shown in the figure below. Particle 3 of charge Qs is located on the x axis. Let's call this position x A) B) C) D) Find a model for the electrostatic force acting on the third charge. (8 pts.) At what values of x will the magnitude of the electrostatic force on the third particle from the other two...
Chapter 21, Problem 023 In the figure particles 1 and 2 of charge q1 = q2 = +57.60 x 10-19 C are on a y axis at distance d = 17.7 cm from the origin. Particle 3 of charge q3 +52.80 x 10-19 C is moved gradually along the x axis from x-0 to x = +7.73 m. At what values of x will the magnitude of the electrostatic force on the third particle from the other two particles be...
Consider one dimensional lattice of N particles having a spin of 1 /2 with an associated magnetic moment μ The spins are kept in a magnetic field with magnetic induction B along the z direction. The spin can point either up, t, or down, , relative to the z axis. The energy of particle with spin down is e B and that of particle with spin up is ε--B. We assume that the system is isolated from. its environment so...
n the figure particles 2 and 4, of charge -e, are fixed in place on a y axis, at y2--9.48 cm and y4-4.74 cm. Particles 1 and 3, of charge -e, can be moved along the x axis. Particle 5, of charge +e, is fxed at the origin. Initially particle 1 is at x1-9.48 cm and particle 3 İs at x3 = 9.48 cm. (a) To what x value must particle 1 be moved to rotate the direction of the...
Question 2 Two particles are fixed to anx axis: particle 1 of charge-6.998 10.7 C is at the origin and particle 2 of charge+ 6.99 × 10-7 C is atx2-12.7 cm. Midway between the particles, what is the magnitude of the net electric field? Number Units N/C or V/m
Question 3 In Figure a particles 1 and 2 have charge 29.0 μC each and are held at separation distance d 3.80 m a) what the magnitude o heeectrostati orce on particle 1 due to particle 2? In Figure b particle 3 of charge 29.0 C is positioned so as to complete an e u tera triangle b what S i e magnitude i tenet electrostatic force on particle 1 due to particles 2 and 3? 2 (a) Number Units...
1. In this problem, we are going to look at a three-level system. A spin-1 particld is placed in a constant magnetic field along the a-direction with strength B,. The spin-1 particle İs initialized in a z-eigenstate with positive eigenvalue h, ie, the i 1,m 1) state. What is the probability to find the negative eigenvalue the spin along the z axis as a function of time? Assume that the spin-1 particle has inagnetic moment 2 × μιι, i.e. that...
Question 2 Two particles are fixed to an x axis: particle 1 of charge 8.96 x 10-7 C is at the origin and particle 2 of charge + 8.96 x 10-7 C is at x2 19.2 cm. Midway between the particles, what is the magnitude of the net electric field? Number Units Question 3 The figure shows two charged particles on an x axis:-q6.40x 10-19 Catx--4.50 m and q-6.40x 10-19 Catx 4.50 m. What are the (a)x-and (b) y-components of...
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