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The one-dimensional parity operator pi is defined by pi psi (x) = psi (-x) In other words, pi changes x into –x everywhere in the function. Is pi a Hermitian operator? For what potentials V(x) is it possible to find a set of wavefunctions which are eigenfunctions of the parity operator and solutions of the one-dimensional time-independent Schrondinger equation?
Suppose a car's brakes can produce an acceleration of -7 m/s2. what is the minimum distance necessary to stop the car
A spring is oscillating with a frequency of 1.7Hz. 3.9 seconds after the spring is released it is -20cm from equilibrium. Find the amplitude of the spring
A 2.00 kg frictionless block is attached to a horizontal spring as shown. At t = 0, the position x = 0.225 m, and the velocity is 4.25 m/s toward the right in the positive x direction. Position x as a function of t is: x = A*cos(?t ) , where A ..
A block with mass 2.0 kg is on a horizontal frictionless surface and is placed against a compressed spring that has force constant 128 N/m. what is the speed of the block after it has left the spring
The center-tap to high peak voltage to each side is 22.0 V. Two silicon diodes are used to make a full-wave rectifier. Calculate the output DC voltage and the ripple voltage
A nozzle is now attached to the end of the hose. If the nozzle diameter is one-third the diameter of the hose, what is the speed of the water leaving the nozzle
Two point charges are on the y-axis. A 6.0 µC charge is located at y = 1.35 cm, and a -2.20 µC charge is located at y = -1.00 cm. (a) Find the total electric potential at the origin. (b) Find the total electric potential at the point having coordi..
Nichrome wire of cross-sectional radius 0.791 mm is to be used in winding a heating coil. find the length of wire you must use to wind the coil
During a particular thunderstorm, the electric potential difference between a cloud and the ground is Vcloud - Vground = 4.10 108 V, What is the change in an electron's electric potential energy
A rubber ball of mass 16.0 g is dropped from a height of 1.80 m onto a floor. What impulse was applied to the ball during the collision
1.76- block at rest on a ramp of height. While the block is released, it slides without friction to the bottom of the ramp, and then continues across a surface that is frictionless except for a rough patch of width 12.0 that has a coefficient of kine..
When a guitar string is sounded along with a 441-Hz tuning fork, a beat frequency of 4.00 Hz is heard. When the same string is sounded along with a 437-Hz tuning fork, beat frequency is 8.00 Hz. What is the frequency of the string.
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