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A sheet of glass is coated with a 500nm -thick layer of oil (n = 1.42).
A) For what visible wavelengths of light do the reflected waves interfere constructively?
B) For what visible wavelengths of light do the reflected waves interfere destructively?
C) What is the color of reflected light? (Green,blue,yellow,red)
D) What is the color of transmitted light? (yellowish green, greenish blue, red, blue)
A 0.39 kg iron horseshoe that is initially at 745°C is dropped into a bucket containing 24 kg of water at 46°C. What is the final equilibrium temperature? Neglect any heat transfer to or from the surroundings.
Water can hold 36 grams (g) of salt in every 100 milliliters (mL). The ocean contains 3.6 g of salt in every 100 mL. As a solution, which is seawater.
A parallel-plate capacitor with plates of area 600 cm2 is charged to a potential difference V and is then disconnected from the voltage source. What is the charge Q on the positive plate of the capacitor
In the drawing, the weight of the block on the table is 422 N and that of the hanging block is 185 N. calculate the acceleration of the two blocks
Estimate the rms electric field in the sunlight that hits Saturn, knowing that the Earth receives about 1350 W/m2
A disk of radius has a total charge uniformly distributed over its surface. The disk has negligible thickness and lies in the xy plane. What is the electric potential V (z) on z axis as a function of z, for z>0.
A popular pastime is to see who can push an object closest to the edge of a table without its going off. If the coefficient of kinetic friction is 0.400, what was the object's speed as you released it
Two forces, F1 vector and F2 vector, act at a point. F1 vector has a magnitude of 8.40N and is directed at an angle of 65.0 degrees above the negative x axis in the second quadrant. What is the magnitude of the resultant force
An ideal spring is wrapped around a cylinder that is free to rotate with negligible friction about a stationary horizontal axis. Is independent of the moment of inertia of the cylinder
A coin is located 29.6 cm to the left of a converging lens (f = 21.6 cm). A second, identical lens is placed to the right of the first lens, Find the separation between the lenses
A pendulum consists of a .155 kilograms ball hanging from a light thread, find the angle the pendulum string makes with the Vertical when the system is in equilibrium
The graphite in a pencil has a resistivity of 7.84×10^?6 W*m. The graphite's diameter is 0.700 mm and its length is 40.0 mm. Find the resistance of this graphite "wire."
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