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what is the angle of incidence when the refracted and the reflected ray are parallel to one another? does this angle depend on the wavelength of light?
Ans) The angle of incidence is zero an it depend onthe wave lenght of the light.
The parachute on a race car that weighs 8750 N opens at the end of a quarter-mile run when the car is traveling 38 m/s. What net retarding force (magnitude) must be supplied by the
One of the practical aspects of the Engineering Profession includes the design of industrial equipment. Design could be described as a creative, iterative and sometimes open-ended
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The weighted rod floats with 6 cm of its length under water [density 1000 kg/m3]. What length is under the surface when the rod floats in brine [density 1200 kg/m3].
Corkscrew Rule: Knowing the direction of the current, it is possible to determine the direction of the magnetic field using Maxwell's Corkscrew rule, usually abbreviated to the
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An object is thrown at 25 m/s at 39 degrees above the horizontal from a 40m tall cliff. How long is it in the air?
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