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The index of refraction for red light in water is 1.331 and that for blue light is 1.340. A ray of white light enters the water at an angle of incidence of 80.4°.(a) What is the underwater angle of refraction for the red component of the light?............. °(b) What is the underwater angle of refraction for the blue component of the light? (Give your answer to three significant figures.)............... °
A 56.1 kg child is standing on the outer edge of a merry-go-round which has moment of inertia 864 kg.m^2 and radius 2.40 m. Find the angular velocity if the child moves to a final position
A kid slides down from the top of a 3m high frictionless slide. When he reaches the bottom of the slide, he travels over a 2m long carpet with a 0.20 coefficient of kinetic friction, What height does he return to on the slide
An elevator's cable snaps and its emergency brakes start gripping at the secondary line in order to slow its descent. How fast is the elevator going after falling 3 stories
What is the phase angle in a series LRC cicuit with L= 50 mH, R=20ohms, C=100mF? The rms applied voltage is 120 Volts at 60 Hz, How much power is dissipated in the resistor
At one instant a bicyclist is 43 m due east of a park's flagpole, going due south with a speed of 12 m/s. Then 22 s later, the cyclist is 43 m due north of the flagpole, going due east with a speed of 12 m/s.
One of the fastest recorded pitches in major-league baseball, thrown by Tim Lincecum in 2009, how far would the ball fall vertically by the time it reached home plate, 60.5 ft away
A block of mass 4.6 kg slides 15 m from rest down an inclined plane making an angle of 28 o with the horizontal. what is the retarding force due to friction
Calculate the center to center distance between the wires when the force of gravity and magnetic force are balanced Fg=Fm
a magnetic field is perpendicular to .04 by .06 m a rectangular coil of wire that has one hundred turns in a time of .05s, Calculate the change in the magnetic field
An airplane is flying due north at 180 m/s. The Earth's magnetic field has a northward component of 0.3 mT and an upward component of 0.34 mT. Which wingtip is positively charged
The spring is compressed against the floor a distance 2.5 cm and released. If the spring constant is 119 N/m, illustrate what is the magnitude of the spring force acting on the toy at the moment it is released?
the international space station iss the mass is approximately 990000 pounds orbits the earth at an altitude of
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