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1. A light ray incident on a block of glass makes an incident angle of 50.0° with the normal to the surface. The refracted ray in the block makes an 36.1° with the normal. What is the index of refraction of the glass?
2. A light ray traveling from a higher index-of-refraction medium to the lower (for example, from water into air) would bend away from the normal. When the refracted ray is parallel to the boundary of the medium, θ2 = 90°. What is called the incident angle, θ1 that becomes θc.
Let us understand why the moon has no atmosphere......We need to remember some mechanics here! Taking the temperature of the surface of the moon to be 107 degree C (actually this is the mean day-time temperature), calculate the root mean square sp..
A playground merry-go-round has radius 3.00m and moment of inertia 2600kg m^2 about a vertical axle through its center, and it turns with negligible friction, How much work did the child do on the merry-go-round
An athlete swings a ball, connected to the end of a chain, in a horizontal circle. The athlete is able to rotate the ball at the rate of 7.69 rev/s, Which rate of rotation gives the greater speed for the ball
What is your displacement after running 2 {rm km} on Strawberry Fields, 1.6 {rm km} on Penny Lane, and 4.8 {rm km} on Abbey Road.
Pine has density ρp = 0.373 x 103 kg/m3. The density of seawater is ρw = 1.03 x 103 kg/m3. What fraction of a pine log floating in seawater is below the surface
A circular wire loop of radius 13cm carries a current of 3.66 A. It is placed so that the normal to its plane makes an angle of 34.8° with the uniform magnetic field of magnitude 9.70 T.
A pail of water is rotated in a vertical circle of radius 1.00 m (the approximate length of a person arm). What must be the minimum speed of the pail
Two newly discovered planets follow circular orbits around a star in a distant part of the galaxy. What is the mass of the star
a car is driving at 23m/s along a road. It is at the bottom of the hill. kinetic friction equals 1.00 and the radius of the hill is 200 meters. what is the tangential acceleration of the car at the top of the hill with radius of 200 meters
Pale uses straight-line depreciation and useful lives of 40 years and 10 years for the building and equipment, respectively, with no estimated residual values. Give journal entry that Pale recorded when it transferred the assets to Bright.
A spider crawling across a table leaps onto a magazine blocking its path. Compute how thick is the magazine
A 1410-kg racecar is driving around a circular track of radius 161 m. What is the magnitude of the net force acting on the vehicle at this time and the force's direction relative to the velocity
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