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According to the Bohr model, a hydrogen atom in its lowest energy state has a nucleus consisting of a single proton, which is orbited by a single electron. The speed of the electron is 2.19×106 m/s and the radius of its orbit (the "Bohr radiuis") is 5.29×10?11 m. What is the magnitude of the "current" flowing around the nucleus in the Bohr model in Amps
A stationary charged particle at the origin creates an electric flux of 487 N ? m2/C through any closed surface surrounding the charge. Find the electric field it creates in the empty space around it as a function of radial distance r away from the ..
How high above the ground will the ball be when it gets to Julie? (note, the ball may go over Julie's head.) 7) Below is some space to write notes on this problem.
q1. a 67 kg man weighs 637 n on the earths surface. how far above the surface of the earth would he have to go to lose
A capacitor consists of two closely spaced metal conductors of large area, separated by a thin insulating foil. Calculate the amount of energy stored in the capacitor
What is work done by the non-conservative force
Astronomers discover an exoplanet (a planet of a star other than the Sun) that has an orbital period of 3.35 Earth years in its circular orbit around its sun, Find the radius of the exoplanet\'s orbit
A helium-filled weather balloon has a 0.90 m radius at liftoff where air pressure is 1.0 atm, What is the pressure at the airborne location
Evaluate the magnitude of the apparent weight of a 84 kg astronaut 4500 km from the center of the Earth's Moon in a space vehicle accelerating toward the Moon at 3.1 m/s^2?
On illustrate what form does an S corporation report its income to the IRS? When is the tax return due? Illustrate what information does the S corporation provide to shareholders to allow them to complete their tax returns?
(a) If the elevator moves with an upward acceleration a with arrow of magnitude 2.0 m/s2, find the tensions T1 and T2 in the upper and lower strings. T1 = N T2 = N
Pat (mass 53 kg) and Chris (mass 72 kg) sit in a 26-kg kayak at rest on frictionless water. What's the kayak's speed after Chris catches the pack
The headlights of a car are 1.6 m apart and produce light of wavelength 575 nm in vacuum. The pupil of the eye of the observer has a diameter of 4.0 mm and a refractive index of 1.4.
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