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The drawing shows a ray of light traveling during three materials whose surfaces are parallel to each other. The refracted rays (but not the reflected rays) are shown as the light passes during each material. A ray of light strikes the a–b interface at a 50.0° angle of incidence. The index of refraction of material a is n a =1.20. The angles of refraction in materials b and c are, respectively, 43.7° and 55.2°. Discover the indices of refraction in these two media.
A dentist's drill starts from rest. After2.90s of constant angular acceleration it turns at a rate of2.2104rev/min. Find the drill's angular acceleration
A 350kg piano slides 3.8m down a 29 degree incline and is kept from accelerating by a man who is pushing back on it parallel to the incline. Calculate the work done by the man on the piano
The lightbulb in the circuit shown in the figure(Figure 1) has a resistance of 14? and consumes 9.7W of power, find speed of the rod
An inclined plane is sliding, and accelerating, on a horizontal frictionless surface. What is minimum acceleration of the inclined plane
sound produced at a point is heard by a person after 5 second while the same sound is heard by another person after 6
in other cases there is a clear break between the rainbow orders. the spacing of ruled lines on a diffraction grating
A long solenoid with 12.8 turns/cm and a radius of 8.91 cm carries a current of 21.9 mA. What is the magnitude of the magnetic field there
A scalloped hammerhead shark swims at a steady speed of 1.8m/swith its 83 cm-cm-wide head perpendicular to the earth's52 μT magnetic field. What is the magnitude of the emf induced among the two sides of the shark's head?
An aluminum ring needs to be placed over a cylinder steel bar. At 10.00 degrees C, Find the temperature of the ring at which it fits over the bar
An object of mass 6.8 kg is attached to aspring of force constant 1720 N/m. Calculate the maximum velocity the object has during its motion
question1two identical clocks a and b are at first synchronized at the bottom inside a vacuum chamber xed on the
A car is traveling at 50.0 mi/h on a horizontal highway, What is the stopping distance when the surface is dry and µs = 0.601
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