Calculate the critical angle for a glass-air surface
Calculate the critical angle for a glass-air surface if a ray of light which is incident in air on the surface is refracted through 24.5 degree when its angle of incidence is 40 degree.
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An unstable nucleus of mass 2.4 10-26 kg, initially at rest at the origin of a coordinate system, disintegrates into three particles. One particle, having a mass of m1 = 6.8 10-27 kg, moves in the positive y-direction with speed v1 = 6.4 106 m/s.
A 30cm diameter vertical cylinder is sealed at the top by a frictionless 22kg piston. The piston is 79cm above the bottom when the gas temperature is 315 C. The air above the piston is at 1.00 pressure. What is the gas pressure inside the cylinder
The magnetic field inside a superconducting solenoid is 4.00 T. Determine the energy stored in the magnetic field within the solenoid.
Wiley coyote is chasing the roadrunner yet again. While running down the roadthey come to a deep gorge 21 m straight across and 110 m deep. The roadrunner launches itself across the gorge at a launch angle of 15 above the horizontal and lands with
A roller-coaster car moves 210 ft horizontally and then rises 144 ft at an angle of 30° above the horizontal. It then travels 144 ft at an angle of 40° downward. What is its displacement from its starting point? Use graphical techniques.
A dog sits 1.53 m from the center of a merry- go-round with an angular speed of 1.65 rad/s. If the magnitude of the force that maintains the dog's circular motion is 38.0 N, what is the dog's mass?
How many balloons can be blown up if each filled balloon os a sphere 30.0 cm in diameter at 27.0 and absolute pressure of 1.20atm?
The temperature of equal masses of three different liquids A, B and C are 12oC, 19oC and 28oC respectively. The temperature when A and B are mixed is 16oC and when B and C are mixed is 23oC. What would be the temperature when A and C are mixed?
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