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A light ray is traveling from glass (refractive index 1.54) into air (refractive index 1.00) at an angle of incidence of 45 degrees as shown.
Calculate the critical angle for the light going from glass to air.
Show on a ray diagram what happens to the ray after it hits the interface.
Show also on a diagram the path of a ray incident in glass at 40 degrees.
If a rubber ball of mass 1.0 kg is dropped from a height of 2.0 m and rebounds on the first bounce to 0.75 of the height from which it was dropped, how much energy is dissipated through the collision with the floor?
A proton is located at x = 1.0 nm, y = 0.0 nm and an electron is located at x = 0.0 nm, y = 4.0 nm. Find the attractive Coulombic force between them
The drawing shows two thermometers, A and B, whose temperatures are measured in °A and °B. The ice and boiling points of water are also indicated.
An 854 kg (1887 lb) dragster, starting from rest, attains a speed of 27.1 m/s (60.7 mph) in 0.59 s.
A 2.0cm -tall candle flame is 2.0 m from a wall. You happen to have a lens with a focal length of 42cm, For each location, what is the height of the image
The electric potential at a certain distance from a point charge can be represented by V, What is the value of the electric potential
a girl follows a passage 200m straight west then 210m in a direction 45 degrees east of south and then 280m at
A hollow metal sphere has inner radius a, outer radius b, and conductivity sigma. Evaluate the electric field strength at the inner surface of a copper sphere if 0.70cm and 28A
A large fake cookie sliding on a horizontal surface is attached toone end of a horizontal spring with springconstant k = 420 N/m; the other endof the spring is fixed in place. The cookie has a kinetic energy of22.0 J as it passes through the sprin..
The penny-farthing is a bicycle that was popular between 1870 and 1890. As the figure shows, this type of bicycle has a large front wheel and a small rear wheel. On a Sunday ride in the park the front wheel (radius = 1.05 m) makes 444 revolutions. Ho..
Two identical conducting spheres, fixed in place, attract each other with an electrostatic force of -0.4545 N when separated by 50 cm, center-to-center. The spheres are then connected with a thin conducting wire. When the wire is removed, the spheres..
When playing tennis, one serves the ball from a distance of about 15 m away from a net that is 0.90 m high. how far from the net does the ball land
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