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P2: An electron in an in nite well of width a = 8 A transits from energy level n = 3 to n = 2 and emits a photon. Determine what is the wavelength of the photon?
P3: An electron in an in nite well of width a = 4 A is in the ground state (n = 1). What is the probability to nod the electron within 1 A from the center of the well?
Compute the Force of Friction (Ff) for a 5kg aluminium block being pulled with constant velocity (uniform motion), up the steel plank that is at a 30degrees angle to the horizontal.
oppositely charged parallel plates are separated by 4.67 mm. a potential difference of 600 v exists between the
An interstellar spaceship is leaving Earth at a speed of %u03B2 = 0.548 for a deep space expedition. What is the geometric mean of the down-shifted and the up-shifted frequency
A point mass m starts from rest and slides down the surface of a frictionless solid sphere of radius r. Find the angle at which the mass flies off the sphere
a merry-go-round r=2m, initially at rest is given a constant tangential push that depends on time. F(t) =β(t) applied on the rim. β=10N/s, Calculate angular acceleration as a function of time
When a battery is connected to a 145?? resistor, the current is 3.27A. Find the internal resistance of the battery and the emf supplied by the battery
The two blocks, m1 = 1.40 kg and m2 = 5, are connected by a mass less rope that passes over a pulley. The pulley is 12 cm in diameter and has a mass of 2.0 kg.
some light rays from a small object sitting on the optical axis of a lens pass through a lens and then all of the rays
half of a slab is made of aluminum (density = 2.70 g/cm^3) andits length is 11.0cm, its width - 13.0 cm, and its height - 2.80cm;the other half of the slab is made of iron (density = 7.85g/cm^3), Where is the center of mass of the slab
A train is traveling up a 3.2° incline at a speed of 3.60m/s when the last car breaks free and begins to coast. How long does it take for the last car to come to rest
a 9.5-uC charge is at x = 15 cm, y = 5.0 cm and a -3.2-uC charge is at x = 4.4 cm, y = 11 cm. Find the force on the negative charge
Consider a gas of non-interacting spinless bosons in a 3d space with relativistic energy dispersion law E(p) = cp, find the fraction of atoms condensed into the lowest energy state
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