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A ray of red light, for which n=1.54 and a ray of violet light, for which n=1.59, travel during a piece of glass. They meet right at the boundary among the glass and the air, and emerge into the air as one ray with an angle of refraction of 22.5?.
What is the angle among the two rays in the glass?
An object with a mass of 1.60kg is at rest on a horizontal, frictionless surface of a rink. What are the positions and speed of the object st the end of that time
A 150 pF capacitor is charged to a potential difference of 64 V, and the charging battery is disconnected. what is the capacitance of this second capacitor
A small block of mass 20.0 grams is moving to the right on a horizontal frictionless surface with a speed of 0.500 m/s. What is the speed of the 40.0 gram block after the collision
A runner is running the first heat of a100 m race at a velocity of 6.9 m/s in an easterly direction. What is the relative velocity of the runner to the wind
A flat sheet of crown glass has a thickness of 1.4 cm. It is on top of a flat sheet of crystalline quartz that has a thickness of 1.3 cm. Light strikes the crown glass vertically and travels through it and then during the crystalline quartz. In the t..
How many 40W, 60lm/W fluorescent lamps would be needed to provide an illuminance of 250lm/m^2 on a factory floor of an area 25m x 30m? Suppose the lights are 10m above the floor and that half their flux reaches the floor
A tank circuit in a radio transmitter is aseries RCL circuit connected to an antenna. The antenna broadcastsradio signals at the resonant frequency of the tank circuit.
A 0.300-kg puck, initially at rest on a horizontal, frictionless surface, Determine the velocity of the 0.300-kg puck after the collision
A 100 g (mass) bouncy ball has a downward velocity of 10 m/s right before hitting the ground. How long was the ball in contact with the ground to the nearest second
an object having a mass of 8.0 g and a charge of 10.0 x 10-5 c is placed in a uniform electric field e where ex 2.00 x
According to Kepler's third law, the orbital period T of a planet is related to the radius R of its orbit by T2 R3. What is the planet's orbital period
the index of refraction for crown glass is 1.512 at a wavelength of 660 nm (red), what is the angle of refraction for each wavelength
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