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Estimate the probability that an electron in the n=1,l=0 state will be found in the region from r=0m to r= 10-15m.
In what direction (clockwise or counterclockwise) and with what angular speed (in rad/s) does the turntable rotate?
A solid sphere, hoop, and disk (all with same mass and radius) are rolled up an incline with (potentially) different initial speeds.
What is the energy of the photon that is emitted when the state of an electron changes from n=4 to n=2 in a hydrogen atom? (R=3.29 x 10^15 Hz).
The operating equation for a synchrotron in the relativistic range is
At the intersection of Texas Avenue and University Drive, a blue subcompact car of mass 950 kg traveling east on University collides with a maroon
A yo-yo has a rotational inertia of 1180 g·cm2 and a mass of 148 g. Its axle radius is 3.58 mm, and its string is 139 cm long.
Consider a system of 2 particles: particle 1 has spin 1, and particle 2 has spin 1/2. Let S be the total angular momentum operator of the two particle.
Two blocks of masses M and 3M are placed on a horizontal, frictionless surface. A light spring is attached to one of them, and the blocks are pushed
What is the percentage change in the acceleration of Earth toward the Sun when the alignment of Earth, Sun, and Moon changes from an eclipse of the Sun.
For a hurricane of radius 330 km, the 'eye' is a circular area whose radius is about 10% that of the entire hurricane.
A 0.90X10^3 kg Toyota collides into the rear end of a 2.2X10^3 kg Cadillac stopped at a red light.
Suppose that an electron is a small spherical shell of mass m with a charge e spread over its surface.
Black holes are strange astronomical objects that are formed from collapsed stars. These fascinating stellar objects are named "black holes"
For Z = 13 (aluminum) calculate the energy in keV and the wavelength in Angstroms of the n = 2 —> n = l muonic x-ray transition.
Two trains, one traveling at 68km/h and the other at 136km/h. They are headed toward one another along a straight level track.
Two joined known masses after collision are moving with given velocity. Before collision, the two move with non-parallel unknown velocities to be found.
The horizontal distance between the launch point and the point of explosion is L. The projectile breaks into pieces which fly apart horizonally.
Violet light has a wavelength of about 410 nm. What is its frequency? Calculate the energy of one photon of violet light. What is the energy of 1.0
What is the final velocity of the flatcar if all the men jump off one at a time? (Can be left in form of a sum of terms).
There is a gas cylinder filled with oxygen in front of you. It is 1.5 meters tall, and 30 centimeters in diameter
Two friends, Al and Jo, have a combined mass of 168 kg. At an ice skating rink they stand close together on skates, at rest and facing.
A car with a mass of 2200 kgm traveling at a velocity of 20 m/sec collides with a parked car. After the collision its velocity is +10 m/sec.
A 0.343 kg croquet ball makes an elastic head-on collision with a second ball initially at rest. The second ball moves off with one half the original speed.
The speed of sound waves in water (density 1.00 x 10 3 kg/m 3 ) is c=1480 m/s.