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A hydrogen atom is excited from its ground state to the n = 4 state. The atom subsequently emits three photons, one of which has a wavelength of122nm. What are the wavelengths of the other two photons?
one block has a mass M = 500 g, the other has mass m = 460 g, and the pulley, which is mounted in horizontal frictionless bearings, has a radius of 5.00 cm. What is the tension in the part of the cord that supports the lighter block
A golf ball strikes a hard, smooth floor at an angle of ? = 32.4° and, rebounds at the same angle. What is the magnitude of the impulse applied to the golf ball by the floor
A steel ball bearing 7.0 mm in diameter is dropped into a cylinder of glycerin. What is the terminal velocity of the ball bearing
A current of 3.0 A is flowing through a 40 cm long solenoid with 500 turns. What is the radius of the circular path of the proton inside the solenoid
A 26.0 kg satellite is in a circular orbit with a radius of 1.60×105 m around the planet Glob. Calculate the speed of the satellite. in m/s
It creates intuitive sense that micro-states of higher energy occur with a lower probability and the exponential function has reasonable properties. But can a physical explanation be given to why the energy's are distributed according to an exponenti..
Two sound waves are emitted: y1, with frequency f1, and y2, with frequency f2, with other constants identical, as expressed below. Distances in meters, times in seconds, and angles in radians: y1 = .02 sin(8 Pi x - 108 Pi t) (2) y2= .02 sin (8 Pi x..
The nucleus of a hydrogen atom is a single proton, which has a radius of about 1.2 × 10-15 m. What is the ratio of the density of the hydrogen nucleus to the density of the complete hydrogen atom
The drawing shows an edge-on view of two planar surfaces that intersect and are mutually perpendicular. Surface 1 has an area of 2.2 m2, while surface 2 has an area of 3.5 m2.
A long, straight wire that has a radius of 1.00 mm is coated with an insulating ferromagnetic material that has a thickness of 3.00 mm and a relative magnetic permeability of 400. The coated wire is in air and the wire itself is nonmagnetic. The wire..
A car engine with mass = 220 kg hangs from a light chain that is linked at ring O to two other light chains as shown
A cylindrical container of inside diameter 0.6 meter is filled with gasoline to a depth of 2 meter. Determine what is the mass of the gasoline
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