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A beam of light is traveling inside a solid glass cube having index of refraction 1.64. It strikes the surface of the cube from the inside.
(a) If the cube is in air, at what minimum angle with the normal inside the glass will this light not enter the air at this surface?
(b) What would be the minimum angle in part (a) if the cube were immersed in water? (The index of refraction of water is 1.333.)
Extreme-sports enthusiasts have been known to jump off the top of El Capitan, a sheer granite cliff of height 910 m in Yosemite National Park. How long is the jumper in free fall
A 0.25 kg mass on a spring has a displacement x(t) = 0.2 cos(1.2 t - 0.15?). Determine the initial velocity of the mass
The position of a particle moving along an x axis is given by x = 23t 2- 5.0t 3, where x is in meters and t is in seconds. Find the maximum positive velocity reached by the particle
One long straight wire carries a current of 7.5A. A 2.00m length of a second wire carries a current of 9.75A parallel to the first wire. Determine the force on the second wire due to the first
A 2,00 kg piece of steel with a temperature of 70c is submerged in 1,0 kg of water at 15c.At what temperature does the metal.water syestem reach equilibrium? The specific heat of steel is 0,107cal/(gxK)
a given capacitor is connected to a 12.0 v battery and when fully charged stores 2.58 x 10-6 j of energy. if the
Some rearview mirrors produce images of vehicles behind you that are smaller than they would be if the mirror were flat. Compute what is the mirrors radius of curvature
A generator delivers an AC voltage of the form ?v = (64 V) sin (75?t) to a capacitor. The maximum current in the circuit is 1.50 A. Find the rms voltage of the generator
a model rocket is fired vertically from rest. It has a net acceleration of 17.5 m/s2. how long after liftoff does the rocket return to the ground
Suppose a car is traveling at 13.0 m/s, and the driver sees a traffic light turn red. What is the stopping distance of the car
Two identical coils are parallel to each other on the same axis. Find an expression for the magnetic field strength at the mid-point between the loops
A person is riding a bicycle, and its wheels have an angular velocity of 26.9 rad/s. Then, the brakes are applied and the bike is brought to a uniform stop. What is the anguar acceleration (in rad/s2) of each wheel
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