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If you fire a bullet through a board, it will slow down inside and emerge at a speed that is less than the speed with which it entered the board. Does light, then, similarly slow down when it passes through glass and also emerge at a lower speed? Explain your answer.
Compute the product below, and show that the matrix for a rotation can be factored into three shear transformations (each of which requires only one multiplication).
The radius of curvature of the curved side of a Plano-convex lens made of glass (n = 1.64) is 25 centimeter. Evaluate what is the focal length of the lens
An AC generator has 80 rectangular loops on its armature. Each loop is 11 cm long and 10 cm wide. calculate the maximum output voltage of this generator
An empty 13461 kg coal car is coasting on a level track at 6.7 m/s. Suddenly 4761 kg of coal is dumped into it from a chute directly above it. Find the final speed of the car
The masses of the javelin, discus, and shot are 0.80 kg, 2.0 kg, and 7.2 kg, respectively, and record throws in the corresponding track events are about 89 m, 69 m, and 21 m, respectively. Neglecting air resistance, (a) calculate the minimum initi..
an airplane lands with a speed of 150kmh. before landing the airplanes wheels are not rotating. the ground exerts a
The average intensity of solar radiation incident on the upper atmosphere of the earth is 1390 W/m2. Assuming the sun emits radiation uniformly in all directions, evaluate the total power radiated by the sun.
A projectile is launched straight up at 53 m/s from a height of 86.5 m, at the edge of a sheer cliff. The projectile falls just missing the cliff and hitting the ground below. Discover the time it takes to hit the ground at the base of the cliff.
The length of a string is 456 cm. It is held ?xed at each end. The string vibrates in three sections; i.e., the string has three antinodes and string vibrates at 180 Hz.
A rubber ball of mass 37.0 g is dropped from a height of 1.80 m onto a floor. What impulse was applied to the ball during the collision
A storm window having the same thickness of glass is installed parallel to the first window, with an air gap of 6.7 cm between the two windows. What now is the rate of energy loss
ligtht of wavelength 620 nm passes thrrough a solid of refractive index 2.5 in which the speed of sound in the solid is
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