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Light is reflected from a transparent coffee table. When the angle of incidence is 63.3°, the reflected light is completely polarized parallel to the surface of the table top. What is the index of refraction of the material of the table?
A 92 kg climber rappels down the rope applying friction with figure eight (piece of climbing equipment ) to reduce his his downward acceleration.
The skis have a thrust of 200. Sam's speed at the bottom is 43.0. Illustrate what is the coefficient of kinetic friction of his skis on snow?
Two stationary positive point charges, charge 1 of magnitude 3.10 nC and charge 2 of magnitude 1.74 nC, are separated by a distance of 36 cm. An electron is free from rest at the point midway between the two charges, and it moves along the line con..
A 20 000 N truck is acted upon by the force that decreases its speed from 10.00 m/s to 5.0 m/s in 5.0 sec. What is the magnitude of force.
A 779-kg car stopped at an intersection is rear-ended by a 1820-kg truck moving with a speed of 15.0 m/s. If the car was in neutral and its brakes were off, so that the collision is approximately elastic, find out the final speed of both vehicles ..
A bucket filled with dirt of mass 22 kg is suspended by a rope that hangs over a pulley of mass 31kg and radius 0.15 m. everything is at first at rest.
Find the work done by this force on the particle.
A sanding disk with rotational inertia 5.4 x 10-3 kg·m2 is linked to an electric drill whose motor delivers a torque of magnitude 10 N·m about the central axis of the disk. About that axis and with torque applied for 72 ms, what is the magnitude o..
The edge of a cube consist of equal resistors of resistance R, that are joined at the orners, let a battery be connected to two opposite corners of a face of cube. what is the efective resistance.
The fuel gage for a gasoline tank in the car reads proportional to the bottom gage pressure .if the tank is 30cm deep and accidentally contains 2 com of water plus gasoline how many centimetres of air remain at the top when gage erroneously reads ..
A carbon resistor is to be used as a thermometer. On a winter day when the temperature is 4.00?C, What is the temperature on a spring day when the resistance is 216.0
Suppose that an ion source in a mass spectrometer produces doubly ionized gold ions (Au2+), Determine the radius of the path
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