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A ray of one color, for which n=1.51, and a ray of another color, for which n=1.6, travel through a piece of glass. They meet right at the boundary between the glass and the air, and emerge into the air as one ray with an angle of refraction of 22.82°. What is the angle between the two rays in the glass? Please explain solution step by step with drwaing.
A highway is to be built between tow towns, one of which lies 30.7 km south and 72.2 km west of the othe, What is the shortest lenght of highway that can be bult between the tow towns
How to generate a constant deceleration
A father (m = 65 kg) and son (m = 38 kg) are standing facing each other on a frozen pond. The son pushes on the father and finds himself moving backward at 3.0 m/s after they have separated. How fast would the father be moving.
One end of a brass bar is maintained at 298°C, while the other end is kept at a constant but lower temperature. What is the temperature of the bar at a point 0.24 m from the hot end
A spaceship approaching an asteroid at a speed of 0.6c launches a scout rocket with speed 0.4c. At what speed is the scout rocket approaching the asteroid
Assuming frictionless conditions, a table has a hanging mass, m1, over a pulley at the left side and another hanging mass, If m1 = .45kg, & m2 = .3kg, & m3 = .25kg what is the new accelration of the system
Compute the amplitude and phase at the observation screen
Lightning can be studied with a Van de Graaff generator, which consists of a spherical dome on which charge is continuously deposited by a moving belt, What is the maximum potential of the dome
Helium gas with a volume of 2.55L , under a pressure of 1.26atm and at a temperature of 44.0?C, How many grams of helium are there? The molar mass of helium is 4.00g/mol
An electron enters a magnetic field of 0.7 T, moving perpendicular to it with a speed of 5·105 m/s. If an electron were sent at the same speed, but at an angle of 70o to the magnetic field.
Kinetic energy KE has dimensions kg · m^2/s^2. It can be written in terms of the momentum p and mass m as KE=p^2/2m. (a) Determine the proper units for momentum using dimensional analysis. (Use the following as necessary: kg, m, and s.)
A rifle is aimed horizontally at a target 50 m away. The bullet hits the target 2.0 cm below the aim point. What was the bullet's speed as it left the barrel
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