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A ray of light passes from air through dense flint glass and then back into air. The angle of incidence on the first glass surface is 61.6 °. The thickness of the glass is 4.35 mm; its front and back surfaces are parallel. How far is the ray displaced as a result of traveling through the glass?
A pitcher throws a fastball horizontally at a speed of 150 km/h toward home plate, 18.4m away. If the batters combined reaction and swing times total 0.37s, how long can batter watch the ball after it has left the pitcher's hand before swinging? In t..
At a factory, a noon whistle is sounding with a frequency of 480-Hz. As a car travelling at 79 km/h approaches the factory, the driver hears the whistle at frequency fi. After driving past the factory.
A certain light source is found to emit radiation whose peak value has a frequency of 1.21×1015 Hz. Calculate the temperature of the source
Unexpectedly, is about the similar for the muscles of all animals and has the numerical value of in SI units.
A 5.00 kg box is pulled by a rope with a force of 25.0 N. Determine the acceleration of the boxes
What is the acceleration of the truck. If it starts 4.50 m from the lower edge of the roof, how fast would the toolbox be moving just as it reaches the edge of the roof if the kinetic friction force on it is 18.0 N.
A proton is initially at rest at a point where the potential is 459 V. Sometime later the proton is at a point where the potential is 218 V. If no force other than an electrostatic force acts on the proton, what is its final kinetic energy.
A diver, below the surface of a lake, notices that no light appears to be coming toward her greater than the angle è, what is the angle è
What is the maximum speed with which a 1060kg car can round a turn of radius 75m on a flat road if the coefficient of static friction between tires and road is 0.80.
a solid, uniform sphere (r=20 cm, density= 850 kg/m cubed) is attached by a massless cable to the ceiling of a room, find the apparent weight (the reading on the scale) when the cable tension is
Two stationary positive point charges, charge 1 of magnitude 3.80 and charge 2 of magnitude 1.95 , are separated by a distance of 38.0 . An electron is released from rest at the point midway between the two charges.
A 7.0 ?, a 15 ? and a 19.0 ? resistor are connected in series with a 24.0 V battery. What is the current in each resistor
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