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Find the temperature of a cavity having an irradiance at 200 nm that is 3.82 times the irradiance at 400 nm.2. A 2.30 cm diameter tungsten sphere is heated to a temperature of 2000 degree C. At this t
As we will discuss in the coming week, the wavefunctions of conductive electrons in carbon nanotubes can be modeled as ( \(\Psi(x)=Nsin(\pi x/L)\) ).where L is the length of the nanotube. If you assum
Two infinitely long charged cylinders are centered on the same axis. The inner cylinder of radius a=3cm has a uniform linear charge density n=4.00E-10 C/m along the axis. The outer cylinder of radius
There are two telescopes observing at night. The first telescope is 0.3m and has a focal ratio of f/8. The second telescope has a focal ratio of f/4 and is 30m in diameter. They each have an identical
Find the electric field outside a uniformly charged hollow cylindrical shell with radius R and charge density sigma, an infinitesimal distance away from it. Do this in the following way:Slice the shel
A 1270-kg car travels 1.19 km up an incline at constant velocity. The incline has an angle of 2.19° with respect to the horizontal.What is the change in the car's potential energy?
In reference fram S', Two protons, each moving at 0.59c, approach each other head-on.Calculate the total kinetic energy of the two protons in frame S '. Calculate the total ki
Charges 4q and -q are located at the points (-2a,0,0) and (-a,0,0), respectively. Write down the potential ?(x,y) for points in the xy plane, and then use a Taylor expansion to find an approximate exp
Arie van Wijngaarden shoots a puck at his goaltender father. Arie stands 30 meters from a net having dimensions 3 meters x 2 meters.Assuming his father obscures 1/3 of the net, what is the solid angle
Suppose you wish to fabricate a uniform wire from 2.50 g of copper. The wire is to have a resistance of R = 0.320 ?and all the copper is to be used.
A positive charge 60 nC is 15 cm from a negative charge 50 nC. The force on one of these charges due to the other is approximately.Two flat charged conducting plates are parallel to each other and sep
A disc of radius 10 cm carries a uniform surface charge density of 3.2 nC.m-2. The electric field on the axis of the disc at a distance 15 cm form the disc is approximately.A
In a documented essay of 900 - 1200 words please address the following issues, in your own words: How does the study of heat relate to the kinetic theory of matter?
Three point charges are on the x axis: q1 = 6 micro coulomb at x = 0, q2 = 4 micro coulomb at x = 2 m and q3 = -1.5 micro coulomb at x = -2 m. Find the potential at the point A(0, 2) on the y-axis.Thr
Algebracially prove that (A * b) + (A * C) + (B * C) = [ ( A' * B) + ( A * B')] * C + A * B No truth table is needed.
Calculate the ground state energy and corresponding speed of a particle of mass 1.0 g in a box of length L=10.0 cm assuming the particle in a box model. Compare these quantities with those of an elect
Calculate the ground state energy of of pi-electrons in octatetraene, C8H10, using the particle in a box model. To calculate the box length, assume that the molecule is linear and use the values 1.35
A piece of wire is stretched from Length l1 to a length of l2 (Step A) and then from length l2 to length l3 (Step B).Write down an expression for the engineering strain associated with Step A.Write do
A narrow beam of light containing red (660 nm) and blue (470 nm) wavelengths travels from air through a 1.60 cm thick flat piece of crown glass and back to air again. The beam strikes the glass at a 3
A proposed solar collector installation has a frontal area (exposed to the sun) of 50.0 m2 and combines a thermoelectric generator with the air heating system of a building. The thermoelectric g
An ac generator supplies 20 A at 440 V to a 10,000 V power line. If the step up transformer has 150 turns in its primary coil, how many turns are in the secondary coil?
The generator has a sinusoidal voltage output with an amplitude of 24 V. If the magnetic field of the generator is 250 mT. With what frequency does the armature turn?
What is the magnitude and of the average emf induced in the loop? What happens to the emf is the side lengths are reduced by a factor of ½?
What is the magnitude of the magnetic force on the electron if its velocity and the magnetic field: Are perpendicular. Make an angle of 45o.