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A 2 kg book rests on a frictionless, horizontal surface. Acord attatched to the book passes over a pulley whose diameter is.150m, to a hanging book with mass 3.ookg. The system is releasedfrom rest, and the books move 1.2m in 8sec.Find:
A) The tension in each part of the cord?
B) The moment of inertia of the pulley about its rotation axis?
An electron orbiting a hydrogen atom has an initial energy of -0.544 eV. The atom emits a photon, then absorbs a photon, ending up with an energy of -3.4 eV. What was the wavelength of the emitted photon?
Two large, parallel, conducting plates are 17 cm apart and have charges of equal magnitude and opposite sign on their facing surfaces, Find the electric field at the position of the electron
In a cloud chamber experiment, a proton enters a uniform 0.250 T magnetic field directed perpendicular to its motion. How fast was the proton moving
you have a two-wheeled trailer that you pull behind your ATV. two children with a combined mass of 70.2kg hop on board for a ride through the woods, obtain frequency of the oscillation
A small town stores its drinking water in a tower. What should be the tower's height if the gauge pressure of the water in the town below is to be 5atm
Estimate how far from a piece of paper you must hold the lens to produce a sharp image of a streetlight 40 ft. Overhead.
An object is placed to the left of a convex lens and on the optical axis. What is the magnification of the image formed by the lens
A bullet moving at 244 m/s strikes a tree and penetrates a distance of 8.34 mm before stopping. What was the average acceleration of the bullet as it slowed
Two identical diverging lenses are separated by 15 cm. The focal length of each lens is -8.0 cm. Determine the final image distance relative to the lens on the right
a marble column of cross-sectional area 1.2 m^2 supports a mass of 25,000 kg. what is the stress within the column
A solar cell has a light-gathering area of 10 cm2 and produces 0.2 A at 0.8 V (DC) when illuminated with S = 1000 W/m2 sunlight. What is the efficiency of the solar cell
A coin with a diameter of 3.00 cm rolls up a 30.0 degree inclined plane. The coin starts with the initial angular speed of 60.0 rad/s and rolls in a straight line without slipping. How far does it roll up the inclined plane.
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