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A hydrogen atom is in its second excited state (n = 3). Using the Bohr theory of the atom, compute the following.
1) The total energy
2) The potential energy
3) The kinetic energy
4) The radius of the orbit
5) The angular momentum of the electron
6) The linear momentum of the electron
A piston A has a diameter of 0.76 cm, as shown. A second piston B has a diameter of 2.1 cm. In the absence of friction, determine the magnitude of the force ~F necessary to support the 601.5 N weight.
A 23 g ice cube at -4.6 oC is place in an aluminum cup whose initial temperature is 80.56 oC. What is the mass in grams of the cup
An object is 24 cm in front of a diverging lens that has a focal length of -17 cm. How far in front of the lens must the object be placed so that the size of its image is reduced by a factor of2.2?
A rocket, initially at rest on the ground, accelerates straight upward from rest with constant acceleration 49.0. Find the maximum height reached by the rocket
The flywheel of an old steam engine is a solid homogeneous metal disk of mass M = 129 kg and radius R = 85.3 cm. How long does it take for the flywheel to come to rest
The force of the wind on the sails of a sailboat is 300 N north. The water exerts a force of 210 N east. If the boat (including crew) has a mass of 310 kg, illustrate what are the magnitude and direction of its acceleration?
A ball is held on an incline at the height of 72 cm. it is then released so that the ball rolls down the incline. At the bottom of the incline there is a loop where the ball rolls around in. If the loop is 62 cm high at its highest point what is the ..
Consider a common mirage formed by super-heated air just above a roadway. A truck driver whose eyes are 2.00 m above the road, Find the index of refraction of the air just above the road surface
A glass windowpane in a home is 0.62 centimeter thick and has dimensions of1.0 m 1.9 meter. Obtain the rate at which energy is transferred by heat through the glass
A ball of moist clay falls 19.8 m to the ground. It is in contact with the ground for 19.5 ms before stopping. What is the average acceleration of the clay during the time it is in contact with the ground
What is the potential difference across capacitor. How much charge is on each place.
a boy pulls a loaded wagon having a total mass m=100kg. He applies a constant force F=100N along the handle at 30 degrees, compute the horizontal force on the wagon
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