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Consider an Ising model of just two elementary dipoles, whose mutual interaction energy is ±ε. Enumerate the states of this system and write down their Boltzmann factors. Calculate the partition function. Find the probabilities finding of the dipoles parallel and antiparallel , and plot these probabilities as a function of kT/ε. Also calculate and plot the average energy of the system. At what temperatures are you more likely to find both dipoles pointing up than to find one up and one down?
An electric vehicle starts from rest and accelerates at a rate of 1.8 m/s2 in a straight line until it reaches a speed of 29 m/s. How far does the vehicle move from start to stop
What is the kinetic energy of a 0.5-kg object moving at a constant speed of 2 m/s, A physics-110 student needs 500 W of Power to climb two flights of staris to get to the physics class room in 40 s
what is the maximum instantaneous power dissipated by a3.0hp pump connected to a 240-Vrms ac power source, what is the maximum current passing through the pump
You throw a ball straight up with an initial velocity of 18.0 m/s. It passes a tree branch on the way up at a height of 7.00 m. How much additional time will pass
you are serving as a technical consultant for a locally produced cartoon. in one episode two criminals shifty and lefty
The Horseshoe Falls on the Canadian side of Niagara Falls have water that moves horizontally at 9.0 meter per second which then falls 53 meter vertically into the Niagara River below. find at what angle does the falling water enter the river below
The first mass M (9.50 kg) is sitting on an inclined plane whose angle above the horizontal is 35 degrees. What is the minimum mass, m, in kg, needed to keep the block from sliding down the incline
A stationary particle of charge q = 2.6 × 10-8 C is placed in a laser beam whose intensity is 2.3 × 103 W/m2, find the maximum magnitudes of electric forces
Heather in her Corvette accelerates at the rate of (3.00 - 2.00)m/s2, while Jill in her Jaguar accelerates at (1.00 +3.00) m/s2. They both start from rest at the origin of an xy coordinate system. Decide the following after 3.00 s. What is Heather's ..
A wire of radius 1.5 mm carries a current of 2.8 A. The potential difference between points on the wire 20 m apart is 4.7V. determine the electric field in the wire
An initially stationary box of sand is to be pulled across a floor by means of a cable in which the tension should not exceed 1100 n the coefficient of static friction between the box and the floor is 0.35. Find the weight of the sand and box in th..
A 32 kilogram child sits on a seesaw. If she is 2.2 meter from the pivot point, determine the torque that her weight exerts, making the seesaw rotate around the pivot
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