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A layer of oil, with a refractive index of 1.40798, 1.05618 millimeter thick, floats on water.
(a) Light of vacuum wavelength 632.800 nanometer, emitted by a stabilized He-Ne laser is reflected at normal incidence by the oil. Obtain how many wavelengths are contained in the light wave passing back and forth through the oil?
A 0.750 kg block is attached to a spring with spring constant 15 N/m. While the block is sitting at rest, What is the amplitude of the subsequent oscillations
how far from the edge f the dock can theboy move until the plank is just on the verge of tipping? Explain how can the boy test this conclusion without falling in the water?Explain
A sled and rider with a combined weight of 67 kg are at rest on the top of a hill 26 m high. What is their total energy at the top of the hill
Four charges, two positive charges on the x-axis and two negative charges on the y-axis sit at a distance a = 9.5 centimeter from the origin. Find the total force in the x-direction on the point charge
A proposed space station includes living quarters in a circular ring 52.0 m in diameter. At what angular speed should the ring rotate
uniform disk that has a radius R = 0.780 m, a mass of 7.50 kg, and a small hole a distance d from the disk's center that can serve as a pivot point. What is this shortest possible period
A 50 lbf object is dropped from a height of 53 ft. Neglecting air resistance. At what velocity will the object strike the ground
You're driving along a rural highway in a light rain at 62 mph (28 m/s). Just after rounding a bend, you see a 30-mph (13 m/s) speed zone ahead, with a police car parked just beyond the sign.
Find the inertia tensor for a uniform, thin hollow cone, such as an ice-cream cone, of mass M, height h, and base radius R, spinning about its pointed end
The drawing shows two long, straight wires that are suspended from a ceiling. The mass per unit length of each wire is 0.047 kg/m. What is the current in each wire
Blue interference fringes are formed on a screen 2.1 m away from a double slit illuminated by monochromatic light of wavelength 516 nm. The distance among the centers of adjacent fringes is 3.8 mm. Discover the separation among the two slits.
The capacitance of your body is about 30 pF. If you walk over a carpet on a dry day and then come within about 5 mm of a metal doorknob a spark will result. This means that there was a potential dissimilarity of about 15 kV among you and the doorknob..
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