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By differentiating the expression for the Maxwell-Boltzmann energy distribution, show that the peak of the distribution occurs at an energy of (1/2)kT.
Light from a helium-neon laser (? = 633 nm) passes through a circular aperture, What is the diameter (in mm) of the hole
The difference in potential between the accelerating plates of a TV set is about 29 kV. The distance between these plates is 1.2 cm. Find the magnitude of the uniform electric field in this region. Answer in units of N/C
Copper has an electrical resistivity %u03C1 = 1.72 x 10-8 %u2126m. What is the electrical resistance of a copper wire
A block with mass of 4.52 kg is attached to a horizontal spring with spring constant k = 3.59 102 N/m, Find the speed of the block at the equilibrium point
You have two parallel wires with current flowing in opposite directions, If each current is 2A, and the distance between the two wires is 0.5m, what is the force per meter between the wires
A 0.7 kW heater is designed to operate at 210 V. Assume that its resistance is constant. What is the power dissipated in this resistor if it operates at 120 V
A block is at rest on a plank whose angle can be varied. The angle is gradually increased from 0 deg. find the kinetic coefficent of friction between the block and the plank
A clock in a spaceship is observed to run at a speed of only 3/5 that of a similar clock at rest on Earth. How fast is the spaceship moving
In a fluorescent tube of diameter 3 cm, 7 10^18 electrons and 1.75 10^18 positive ions (with a charge of +e) flow through a cross-sectional area each second, What is the current in the tube
A child does 350 J of work while pulling a box from the ground up to his tree house with a rope. The tree house is 6.6 m above the ground
A particle known as a pion lives for a short time before breaking apart into other particles. According to this hypothetical person, how far does the laboratory move before the pion breaks apart
Electromagnetic waves (light) can form standing waves. In a certain standing wave pattern formed by microwaves, What is the microwave frequency
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