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A hydrogen atom is in the n = 22 state. Use the Bohr model of the hydrogen atom to find the following values.
(a) the kinetic energy of the electron.
(b) the potential energy of the atom.
(c) the total energy of the atom.
compute the tension in the rope if the gymnast slides down the rope with a downward acceleration of magnitude 1.40 m/s^2 .
Important information about Physics - Mechanics A satellite of mass 205 kg is launched from a site on the Earth's Equator into an orbit at 175 km above the surface of Earth.
Collision of 2 trains and stopping distances, Two trains are driving towards each other .One at 144 km/h and the other at 72 km/h When they see each other they start to brake at 1 m/s2. There is 950m between them.
Two boats start together and race across a 62-km-wide lake and back. Boat A goes across at 62 km/h and returns at 62 km/h. Boat B goes across at 31 km/h, and its crew, realizing how far behind it is getting, returns at 93 km/h.
two point charges q and 2q lie on the x-axis . which regions on the x-axis include a point where the electric field due to the two point charges is zero?
A farsighted man uses eyeglasses with a refractive power of 1.95 diopters. Wearing the glasses 0.02 m from his eyes, What is the correct contact lens prescription, in diopters
A resistor is connected across the terminals of a 9 V battery, which delivers 1.27E+5 J of energy to the resistor in 8.00 hours
Explain how many penguins of mass 27 kg each can stand on the ice block before they get their feet wet?
Two point charges, q1= 2.40 nC and q2= -6.50 nC, are 0.100 m apart. Point A is midway between them; point B is 0.080 m from q1 and 0.060 m from q2 (see the attachment). Take the electric potential to be zero at infinity.
Suppose a uniformly charged (with a linear charge density) wire starts at point 0 and rises vertically along the positive axis to a length. Determine the x-component of the electric field at point. That is, compute near one end of a long wire, in the..
What is the electric force
A hot (70 C) lump of metal has a mass of 250 gm and a specific heat of .25 cal/gm-C. John drops the metal into a 500 gm calorimeter (specific heat of .10 cal/gm-C) containing 75 g of water at 20 C. Once they reach equilibrium, what will be the fin..
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