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A thin layer of ice floats on the surface of water in a bucket. A ray of light from the bottom of the bucket travels upward through the water.
A) What is the largest angle with respect to the normal that the ray can make at the ice-water interface and still pass out into the air above the ice?
B) What is this angle after the ice melts?
Presume a spherical planet P has a uniform density of 4.72 x 10^3 kg/m^3 and a radius R = 3604km. For a parcel that weighs 64N on the surface of the spherical Earth.
In a double-slit experiment, the slit separation d is 13.0 times the slit width w. How many bright interference fringes are in the central diffraction envelope
An object is so = 2 m from the front side of a converging lens with focal length f1 = 1 m, Draw a ray diagram of the situation, Where is the final image now, What is the new magnification
His arm is 70 cm long and has a mass of 4.0 kg. Evaluate the magnitude of the torque about his shoulder if he holds his arm straight out to his side, parallel to the floor?
A converging lens (f1 = 24.0 cm) is located 56.0 cm to the left of a diverging lens (f2 = %u221228.0 cm). How far is the object from the converging lens
A sinusoidal traveling water wave has a wavelength of 25 cm and a frequency of 0.60 Hz. What is the phase speed of this wave
A conductor is suspended by two flexible wires has a mass per unit length of 0.04 kg/m. What is the required direction for the current
You need to know the height of a tower, but darkness obscures the ceiling. How tall is the tower
A closely wound coil has a radius of 6.30 cm and carries a current of 1.70 A. How many turns must it have if, at a point on the coil axis 6.30 cm from the center of the coil
A 30 kg launching machine fires a 250 gram projectile horizontally at 100 m/s. What was the momentum of the machine
Two 10-cm-diameter charged rings face each other, What is the electric field at the center of the left ring
Suppose that a disk rotates through five revolutions in 4 seconds. What is the angular rotational velocity
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