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A light ray of wavelength 550 nm initially in water enters a transparent substance at an angle of 37 degrees with respect to the normal and the transmitted ray is refracted at an angle of 25 degrees. (a). Calculate the speed of light in the transparent substance. (b). Determine the wavelength of light in the transparent substance.
A 20 kg sled is being pulled along a horizontal stretch of snow covered ground by a horizontal force of 30 N. find the coefficient of kinetic friction between the sled and the snow
One radiator has a volume of 0.09mt³. It contains saturated vapor at a temperature of 100°C. find The total mass of vapor in the radiator
What is the density of Neon gas at standard temperature and pressure? The atomic mass of Neon is 20.18 atomic mass unit
A bungee cord is stretched between two poles with a force of 407 N. What is the velocity of a wave on this bungee cord
A Child with a mass of 35.0 kg climbs onto a water slide that is 2.00 m above the water. What is the work done by the normal force on the child
A 45.5-g golf ball is driven from the tee with an initial speed of 47.3 m/s and rises to a height of 30.4 m. Neglect air resistance and determine the kinetic energy of the ball at its highest point
A wedge of mass M and angle α slides freely on a horizontal plane. A particle of mass m moves freely on the wedge. Determine the motion of the particle as well as that of the wedge.
An object of mass 5.0 kg is attached to a string of length 2.0 m and rotating in a horizontal circle with an angular velocity of 3.0 rad/s
A roach that runs for its life because you try to hit it with your physics book runs off the horizontal tabletop with a speed of 0.64 m/s. Find the height of the table
A uniformly charged plastic disk has a radius of 0.270 m. At what distance from the center along the central perpendicular axis is the magnitude of the electric field equal to one-half the magnitude of the field at the center of the surface of the di..
An 18-cm-long bicycle crank arm, with a pedal at one end, is attached to a 20-cm-diameter sprocket, the toothed disk around which the chain moves. What is the tangential acceleration of the pedal.
Two satellites are in circular orbits around a planet that has radius 9.00×10^6m. What is the orbital speed of the second satellite
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