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1. How are t and r changed when a barrier is translated through d, as in the previous exercise, and has this any observable consequences?
2. As we build the T-matrices for complicated barriers out of those for simple components, it is important that the product of two T -matrices is itself a T-matrix and has the properties that we have just derived. Show that this is so. (This is one of the properties of a mathematical group, and T-matrices provide a representation of the group SU(1, 1).)
a steady horizontal force f of magnitude 21 n is applied at the axle of a solid disk as shown. the disk has mass 2.0 kg
A circular coil enclosing an area of 99 cm2 is made of 202 turns of copper wire. The wire making up the coil has resistance of 6.0 , and the ends of the wire are connected to form a closed circuit. what average current flows through the coil during..
An unknown substance has a mass of 0.125 kg and an initial temperature of 94.7. calculate the specific heat of the unknown substance
you are on a standard elavator . you are holding a fishing rod with a fish you just caught on the fishing line .the fish has a mass of 4kg. how much tension is in the fishing line
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NASA has attempted to use the concept of motional EMF to produce energy for satellites in orbit. what is the equivalent resistance of the electrical system of the satellite
A light ray strikes this material (from air) at an angle of 33.1° with respect to the normal of the surface. Calculate the angle of the reflected ray
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a charge of -2.205muc is located at 3.055m 4.501m and a charge of 1.800 muc is located at -2.533m 0.a find the electric
Light from a laser (? = 640 nm) passes through a diffraction grating and spreads out into three beams as shown in the figure. Determine the spacing between the slits of the grating
1.In part of a giant Rube-Goldberg machine you are building, a 13.6 pound bowling ball (with a radius of 21.593 cm) is released from rest at the top of a ramp of height h. It rolls down the ramp, and then around a loop, just barely making it a..
A beam of protons enters the network of five chambers shown in (Figure) with an initial speed of 400m/s. Find the component of the magnetic field perpendicular to the path of the protons.
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