An operator p describing the interaction of two spin are constants and σ1 and σ2 are pauli spin matrices of the two spins. the total spin angular 20. particles is p-a + b σ io, where a and b momentum s-s1 + s2-2 h (o, + ơ2). show that p, st and s, can be measured simultaneously.

Each neuron shown in this figure innervates a group of muscle fibers. what is the term for a group of muscle fibers innervated by a single neuron?

Which of the following describes how a microwave heats food

Aparticle initially located at the origin has an acceleration of = 2.00ĵ m/s2 and an initial velocity of i = 8.00î m/s. find (a) the vector position of the particle at any time t (where t is measured in seconds), (b) the velocity of the particle at any time t, (c) the position of the particle at t = 7.00 s, and (d) the speed of the particle at t = 7.00