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A plane polarized electrodynamics wave travelling in a dielectric medium of refractive index 'n' is reflected at normal incidence from the surface of a conductor. Find the phase change undergone by its electric vector if the refractive index of the conductor is n2=n(1+Ip)
A 2600 kg truck traveling north at 38 km/h turns east and accelerates to 52 km/h. What is the change in the truck's kinetic energy? What is the magnitude of the change in the linear momentum of the truck?
A ball is thrown at a 60.0° angle above the horizontal across level ground. It is released from a height of 2.00 m above the ground with a speed of 16.0 m/s.
An inductor is in the built in the shape of a solenoid of radius 0.20 cm, length 4.0 cm, with 1000 turns. This inductor is connected to a generator supplying an rms voltage of 1.2 x 10 ^-4 V AC at an angular frequency of 9.0 x10 ^3 radians/s. What is..
A mass-less pan hangs from a spring that is suspended from the ceiling. When empty, the pan is 51 cm below the ceiling. What is the pan's distance from the ceiling
At point A, 3,00 m from a small source of sound that is emitting uniformly in all directions, the sound level is 53.0 dB. what is the intensity of the sound at point A
Two passenger trains A and B, each 220 m long, pass a 50 m long railroad platform in Winnepeg. The trains are moving in opposite directions at equal speeds of 0.670c with respect to the ground, What is the difference in arrival times
A woman stands between a vertical mirror 1/2 meter tall and a distant tree whose height is H. find how tall is the tree
A 70.0-g object connected to a spring with a force constant of 25.0 N/m oscillates with an amplitude of 6.00 cm on a frictionless, horizontal surface. Find the total energy of the system
A child sitting 1.18 m from the centerof a merry-go-round moves with a speed of 1.20 m/s. Calculate the centripetal acceleration of the child
An arrow is shot at an angle of above the horizontal. The arrow hits a tree a horizontal distance away, at the same height above the ground as it was shot. Use for the magnitude of the acceleration due to gravity.Find , the time that the arrow spends..
A 100 kilogram passenger enters a 1600 kilogram elevator, which carries him 120 meter upward. find what is the minimum amount of time (in seconds) required for ride
A block of mass 2.0 kg oscillates on a spring with spring constant k= 5 N/M. what is the period of oscillation is rad/s?, what is the new period of oscillation
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