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A child playing marbles shoots a marble directly at another marble at rest. The first marble stops, and the second marble continues in a straight line.
A perfectly insulated container contains 70 g of water and has a small heater immersed in water. The temperature of the water is 40 degrees Celsius.
Consider a body of flowing water, such as a river. We can describe the flow of river water mathematically by a vector field that describes the water velocity
Explain the answers to a and b above in terms of the energy changes that occur during the flight of the stone from A to C.
Consider a generator constructed as shown in the attachment. The loop in this generator rotates at an angular rate of w
The region between the conductors is air. Ke =1/4*pi*epsilon= 8.98755e9 N m^2/C^2.
The core illustrated is 1 cm thick. All legs are 1 cm wide, except for the right-hand side vertical leg, which is 0.5cm wide.
Calculate the energy of the neutron emitted in the forward direction by a beam of 150 keV deuterons undergoing the D-T (deuterium-tritium).
Argue that the critical temperature of the phase transition to the Bose condensed state is given by kTc = h? ³v(N/?(3))
The block is released a height h = 3.91 m above the bottom of the loop.What is the force of the inclined track on the block at the bottom (point A)?
When a block of insulating material such as Lucite is bombarded with electrons, the electrons penetrate into the material and remain trapped inside
The capacitance is 120 microFarads. What is the potential difference across the capacitor plates?
A capacitor has a charge of 30 uC (fancy u). The potential difference between the conductors is 400 is V. What is the capacitance?
15kg block of ice is placed on a horizontal table. It is pushed back compressing a spring .045m, and the spring's constant is 1900N/m.
Classical expression for kinetic energy must be multiplied in order to get the relativisitically correct kinetic energy.
A circuit board with a dense distribution of integrated circuits (ICs) and the dimensions of 120mm by 120mm on a side is cooled by a parallel flow
We take the radius of the Earth to be 4000 miles, so r = 5000 miles. Suppose that the rocket is fired "horizontally".
H=IN/l and L=N*change in magnetic flux/change in coil current
For a system of fermions at room temperature, compute the probability of a single-particle state being occupied if its energy is
Calculate the potential and kinetic energies and total energy at the end of each second of free fall and at the moment of impact.
Calculate the divergence and curl of the vector field F(x,y,z) = 2xi+3yj+4zk.
Use the result from part (a) to find the expectation value for X and the expectation value for X^2 for a classical particle in such a well.
A Hooke's law spring is mounted horizontally over a frictionless surface. The spring is then compressed a distance d and is used to launch a mass.
A uniformly charged straight wire of radius a carries linear charge density( lambda). The wire is coated with a linear dielectric material of susceptibility
Find a formula for the temperature of an Einstein solid in the limit q«N. Solve for the energy as a function of temperature.