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A ray of light moving along the vector (-i^-2j^) undergoes refraction at an interface of two media, which is the x-z plane. The refractive index for y>0 is 2 while for y<0 its [root(5)]/2. The unit vector along which the reflected light ray moves is?
A truck initially going 10m/s slams on the breaks. If the coefficient between the truck's tires and road is %u03BC=0.4, what is the minimum stopping distance of the truck
A red light of wave length 6.65x10^-7 is an incident beam perpendicular to a surface of glass. n=1.65 for glass. Calculate wavelength of red light in film
A thin flat plate is installed in a water tunnel as a splitter. The plate is 0.3 m long and 1 m wide. The free stream speed is 1.60 m/s. laminar boundary layers form on both sides of the plate. The boundary-layer velocity profile is approximated as p..
A mirror on the passenger side of your car is convex and has a radius of curvature with magnitude 18.0 cm. (a) Another car is behind your car, 9.00 m from the mirror, and this car is viewed in the mirror by your passenger
A pendulum consists of a 3.1 kg stone swinging on a 4.2 m string of negligible mass. The stone has a speed of 7.9 m/s when it passes its lowest point. what is the total mechanical energy of the system
Two streams of air, one at 1 bar, 27C and velocity of 30 m/s and the other at 5 bar, 227C and 50 m/s velocity, Find the velocity of the stream issuing out of the nozzle
A solid sphere has a temperature of 768 K. The sphere is melteddown and recast into a cube that has the same emissivity and emitsthe same radiant power as the sphere. What is the cube'stemperature in kelvins?
theres an electron in a one-dimensional potential well of width lz in the z direction withnbspinfinitely high potential
A subway train has a sound intensity level of 90 dB, and a rock band has a sound intensity level of 110 dB. How many times greater is the sound intensity of the band than that of the train
One side of the roof of a building slopes up at 42.5°. A roofer kicks a round, flat rock that has been thrown onto the roof by a neighborhood child.
At an amusement park there is a ride in which cylindrically shaped chambers spin around a central axis. What is the radius of a chamber
A rocket moves straight upward ,starting from rest with an acceleration of +29.4 m/s2. it runs out of fuel at the end of 10.00 seconds, find the maximum height the reaches
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