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A refracting telescope has an objective and an eyepiece that have refractive powers of 1.25 diopters and 300 diopters, respectively. Find the angular magnification of the telescope.
A 58-kg water skier is being pulled by a nylon tow rope that is attached to a boat. What is the change in the length of the rope when the skier has an acceleration whose magnitude is 0.90 m/s2
A discussion of why the ideal gas law is expected to fail at low temperatures and how its failure may affect your estimation of absolute zero.
What is the initial (horizontal) velocity of the ball.
Problem 12.30: Singing in the shower. We all sound like great singers in the shower, due to standing waves, What are the wavelengths of the first two overtones for this shower
A railroad car of mass 3.4 x 104 kg moving at 4.00 m/s collides and couples with two coupled railroad cars, What is the speed of the three coupled cars after the collision
A broad beam of light of wavelength 485nm is incident at 90° on a thin, wedge-shaped film with index of refraction 1.50. An observer intercepting the light transmitted by the film sees 17 bright and 16 dark fringes along the length of the film. By..
q1. a juggler performs in a room whose ceiling is a height 3.0 m above the level of his hands. he throws a ball upward
The Yerkes telescope in southern Wisconsin is the largest refracting telescope in the world. What are the focal lengths of the two lenses
A chair of weight 85.0N lies atop a horizontal floor; the floor is not frictionless. Using Newton's laws, calculate n, the magnitude of the normal force that the floor exerts on the chair
The tires of a car make 51 revolutions as the car reduces its speed uniformly from 95km/h to 38km/h. What was the angular acceleration of the tires
A crate is sliding down a ramp that is inclined at an angle of 25.2° above the horizontal. Find the acceleration of the moving crate
What is its angular displacement in this time.
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