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Use the uncertainty principle to estimate the size of an H atom and the energy of the ground stateThen, assuming some radius r, calculate the related uncertainty in momentum p to get the KE. Minimize the total energy to determine r and the ground state energy.
A small bulb is rated at 7.5 W when operated at 125 V. The tungsten filament has a temperature coefficient of resistivity a = 4.5 ? 10-3 / °C. What is the resistance of the filament (in ohms) at room temperature
Swift is a spacecraft that has a collecting area of 0.520 m2 to detect gamma-ray bursts (GRBs). find the amplitude of the magnetic field of the source
On a frictionless horizontal surface below, a 1.5 kg mass traveling at 2.5 m/s collides with and sticks to a 3 kg mass that is initally at rest, What will be the max compression of the spring
suppose that O&M costs (staff, maintenance, decommissioning, waste handling, training, refurbishment reserve and other charges) can be approximated by 12% of the debt charge and the fuel costs for the ACR's enriched fuel is about 3 percent of the deb..
The coil of a galvanometer has a resistance of 18.6 ?, and its meter deflects full scale when a current of 6.48 mA passes through it. What is the maximum current that this ammeter can read
The catapult on an aircraft carrier can take an aircraft from 0 to 209 mph (the launch speed) in 9 seconds, at which time the aircraft launches
On a level road with its brakes on, a car traveling at 93km/hr stops within 92m when the brakes lock and the car slides.
A certain orthodontist uses a wire brace to align a patient's crooked tooth as in the figure below, Find the magnitude of the net force exerted by the wire on the crooked tooth
Write a Matlab program that converts from COEs (classical orbital elements) to position and velocity vectors
a block of mass M hangs at rest. The rope that is fastened to the wall is horizontal and has a tension off 52 N. what is the angle theta
Particle A of charge 5.00x10-4 C is at the origin, particle B of charge -5.00x10-4 C is at (3.00 m, 0) and particle C of charge 3.00x10-4 C is at (0, 2.00 m).
Force F = (-9.0 N) i + (5.0 N) j acts on a particle with position vector r = (-5.0 m) j + (1.0 m) k. What is the torque on the particle about the origin
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