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A flat sheet of crystalline quartz has a thickness of 2.1 cm. It is on top of a flat sheet of diamond that has a thickness of 3.0 cm. Light strikes the crystalline quartz perpendicularly and travels through it and then through the diamond. In the time it takes the light to travel through the two sheets, how far would it have traveled in a vacuum?
The moment of inertia about the axis of rotation of the remainder of his body is constant and equal to 0.450kg?m2. If the skater's original angular speed is 0.450rev/s, What is his final angular speed
A 58 g tennis ball is served at 40 m/s. Find the de Broglie wavelength of the tennis ball
Consider a collection of 4 "Fermi" dice. That is, no two die may have the same face up. What is the average value of the sum of the dice
Two 4.0 cm × 4.0 cm electrodes spaced 2.0 mm apart form a parallel-plate capacitor. What is the charge on each electrode
Tarzan, in one tree, sights Jane in another tree. He grabs the end of a vine with length 20 m that makes an angle of 45, Calculate Tarzan's speed just before he reaches Jane
300 J of work are done to compress the gas as, in the same process, 1200 J of heat energy are transferred from the gas to the environment. Afterward, what is the rms speed of the molecules.
Ray decides to paint the outside of his uncle's house. He uses a 4.0-m-long board supported by cables at each end to paint the second floor. find the force that the right cable exerts on the board
A rifle bullet with mass 8.00g strikes and embeds itself in a block with a mass of 0.992 kg that rests on a frictionless, Find the magnitude of the block's velocity just after impact
A 50 gram ball enters a a pendulum with mass 200 g. The pair then swings up to a height of 14.5 cm. Find the initial velocity of the ball before the collision
A plane is headed east with an air speed of 272.0 m/s, Find the velocity of the plane relative to the earth
Water is pumped at 250 m^3/min from a lake into a tank 65.0 m above the lake. What power (in kW) must be delivered by the pump
You throw a ball straight up in the air. The instant after leaving your hand, the balls speed is 30 meters per second. Ignoring the effects of air resistance, predict how fast the ball will be traveling 2 seconds later.
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