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A beam of white light is passed through a prism at an angle of 30o and separated into a spectrum. The red portion of the spectrum is measured to be at an angle of 52o and the blue at 55o.
What is the index of refraction for each color?
nred = ________
nblue = _______
What is the velocity of the blue light as it passes through the prism.
vblue prism = ___________
A nozzle is now attached to the end of the hose. If the nozzle diameter is one-third the diameter of the hose, what is the speed of the water leaving the nozzle
A cord of length 1.0m is fixed at both ends. Its mass per unit length is 1.2g/m and the tension is 11N. What is the frequency of fundamental oscillation
In a head-on collision, the car stops in 0.279 from a speed of 16. The driver has a mass of 68, and is, fortunately, tightly strapped into his seat. What force is applied to the driver by his seat belt during that fraction of a second.
A 45.8-kg girl is standing on a 161-kg plank. Both originally at rest on a frozen lake that constitutes a frictionless, flat surface. What is the velocity of the plank relative to the ice surface
An astronaut travels at a speed of 0.93c from the Earth to a distant star that is 4.5e+17 m away. how old is she when she arrives at the star
A circular disk has surface charge density 8.0nC/cm^2. What will the surface charge density be if the radius of the disk is doubled? Express your answer to two significant figures and include the appropriate units.
Translational equilibrium occurs when an object moves with constant velocity or is at rest resulting in an acceleration of magnitude equal to zero. Which law(s) governs this relationship
Adjacent antinodes of a standing waves on the string are 15.2 cm apart. A particle at an antinode oscillates in simple harmonic motion with amplitude 0.850 cm and period 0.0750 s. The string lies along the x axis and is fixed at x = 0.
An electron moves in the positive x-direction a distance of 2.38 m in 2.95 x10-8 s, bounces off a moving proton, and then moves in the opposite direction a distance of 1.63m in 3.53x 10-8 s.
what is the rate of heat transfer from the plate to the air? If the free stream velocity if the air is doubled and the pressure are increased to 10 atm, what is the rate of heat transfer.
A good baseball pitcher can throw a baseball toward home plate at 91 miles per hour with a spin of 1789 revolutions per minute. How many revolutions does baseball make on its way to home plate? For simplicity, assume that the 60.0 ft path is a straig..
Two rockets having the same acceleration start from rest, but rocket A travels for twice as much time as rocket B, If rocket A reaches a speed of 390m/s , what speed will rocket B reach
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