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A ray of light enters an equilateral prism made of material with n= 1.45 at an angle of incidence θ. The internally refracted ray is parallel to the base of the prism. What is the angle of refraction for the ray leaving the prism?
A spring with spring constant 36N/m is attached to the ceiling, and a 5.1-cm-diameter, 1.3kg metal cylinder is attached to its lower end. what length of the cylinder is submerged
A solid spherical ball of mass 1.21 kg and radius 0.07 m rolls along a smooth, level surface with a speed of 2 m/s. How far up the plane does the ball go
A laser pulse has an energy of 19 J and a beam radius of 2 mm. The pulse duration is 9 ns and the energy density is constant within the pulse. What is the total energy density within the pulse
A 500 g solid disk roles down an inclined plane 1 m long elevated by 10 cm. What is the kinetic energy of the disk at the bottom of the plane
A 3.0 kg particle with velocity v=(5.0m/s)i-(6.0m/s)j is at x=3.0mand y=8.0m. It is pulled by a 7N force in the negative x direction.About the origin, what are (a) the particle's angular momentum?
A simple pendulum has a length of 52.4 cm and makes 83.7 complete oscillations in 2.00 min. Find the period of the pendulum
An object is 100 cm in front of a concave mirror that has a radius of 80 cm. Calculate the image distance and lateral magnification
How far ahead of the film should the lens be if the object to be photographed is 13 m away.
During a 10 minute period, 30 grams of steam condenses into water. How much energy flowed out of the water-steam mixture, What is the change in the entropy of the water-steam mixture
a drag racer starts her car from rest and accelerates at 9.2 ms2 for the entire distance of 631 m.how long did it take
New physics student having trouble with hw, not sure how to set this up or find the answer. Throw a ball straight up with an initial vel. of 18.5m/s. if ball is caught at the same height it was released, and then compute the max. Height achieved b..
A spaceship is approaching a space station at a speed of 2.0 105 m/s. The space station has a beacon that emits green light with a frequency of 5.93 1014 Hz. What is the change in this frequency
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