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You send a beam of light from a material with index of refraction 1.23 into an unkown material. In order to help identify this material, you determine its index of refraction by measuring the angles of incidence and refraction for which you find the values 40.1° and 36.3°, respectively. What is the index of refraction of the unknown material?
An echo bounces from a building exactly 1.00 s after you honk your horn. How many feet away is the building if the air temperature is 20.0 Celsius degrees
When a missile is shot from one spaceship toward another, What is the relative velocity of the two ships
An inclined plane has a height of 0.383 and is 120 cm long. What is the KE energy at the end of the ramp
A Beryllium nucleus consists of 4 protons and 5 neutrons. What is the potential energy of the nucleus due to electrical forces
A tire 0.650 m in radius rotates at a constant rate of 150 rev/min. What is the acceleration of the stone
A diffraction grating has a spacing of 350 lines per mm and sits L = 47.7 cm from a screen. what is the wavelength of the laser
A bug crawls outward from the center of a compact disc spinning at 190 revolutions per minute. How far does the bug get from the center before slipping
A ship is floating on a lake. Its hold is the interior space beneath its deck; the hold is empty and is open to the atmosphere. What volume of water per second leaks into the ship
An electromagnetic wave in a vacuum has a maximum magnetic field amplitude of 5.67×10?7 T. find the maximum electric field amplitude of the wave
A fully loaded station wagon has a mass of 1690 kg. If each of its four tires is inflated to a gauge pressure of 211 kPa, what is the total tire area in contact with road.
A student uses an audio oscillator of adjustable frequency to measure the depth of a water well. What is the depth of the well
What is the linear speed of a point on the equator, and on the Arctic Circle (latitude 66.5 degrees) and (c) at latitude of 45 N, due to the earth's rotation
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