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1.a ray of light enters a pool of water from the air along the normal. what is the angle of refraction?
2. The index of refraction of thanol is 1.36. what is the speed of light in ethanol?
3. a beam of light enters a piece of zircon at an angle of incidence of 30 degrees. what is the angle of refraction in the zircon?
4. A ray of light enters a substance at an incident angle of 65 degrees. if the anle of refraction is 22 degrees what is the substance?
What is acceleration of an object sliding down to plane
What is the speed of the water leaving the nozzle
A power plant delivers energy at 880 MW using steam turbines. The steam goes into the turbines superheated at 625 K, What is the entropy increase per kilogram of the downstream river water
An 0.8kg baseball with an initial velocity of 40m/s is hit with a baseball bat so that its recoil velocity is 60m/s in the exact opposite direction. what is the average force the bat puts on the ball
What is the ratio of the cardinals magnitude. One mole of tungsten (6 1023 atoms) has a mass of 184 grams, and its density is 19.3 grams per cubic centimeter. You have a long thin bar of tungsten, 2.3 m long, with a square cross section, 0.15 cm on..
A 9.0-kg box of oranges slides from rest down a frictionless incline from a height of 5.0 m, What is the coefficient of kinetic friction, µk, of the surface from A to B
At T = 0ºC and p = 1000mb, 1g of dry air receives during an isochoric process anamount of heat, what is the amount of heat absorbed
Two runners start simultaneously from the same point on the circular 200 m track and run in opposite directions. One runs at a constant speed of 6.14 m/s and the other runs at a constant speed of 5.43m/s. When they first meet, for how long a time ..
It runs out of fuel at the end of the 4.97 s but does not stop. Explain how high does it rise above the ground?
An object, which is initially at rest on a frictionless horizontal surface, is acted upon by four constant forces. How much total work is done on the object in 4.44 seconds
A spaceship leaves Earth traveling at 0.65 c. A second spaceship leaves the first at a speed of 0.80 c with respect to the first. Calculate the speed of the second ship with respect to Earth if it is fired directly backward toward Earth
A rifle is aimed horizontally at a target 58 away. The bullet hits the target 2.5 below the aim point. What was the bullet's flight time? What was the bullet's speed as it left the barrel?
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