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A transparent oil with index of refraction 1.21 spills on the surface of water (index of refraction 1.33), producing a maximum of reflection with normally incident violet light (wavelength 400 nm in air). Assuming the maximum occurs in the first order, determine the thickness of the oil slick.
A small plastic ball with a mass of 6.50 x 10?3 kg and a charge of +0.15uC is suspended from an insulating thread, What is the magnitude of the charge on each plate
A 59.3-kg crate rests on a level floor at a shipping dock. The coefficients of static and kinetic friction are 0.714, What horizontal pushing force is required to just start the crate moving
Neptune has a mass 17.20 times larger than that of Earth and a radius 3.88 times larger. A person weighing 140 lb on the Earth would weigh how much on Neptune.
Objective questions based on momentum and force.
What volume of water at 0°C can a freezer make into ice cubes in 1.4 hours, if the coefficient of performance of the cooling unit is 8.0 and the power input is 1 kilowatt.
In a double-slit experiment, slits separated by 1.240e-4 m are illuminated by a coherent 571 nm light source. What is the angular position of the first bright fringe
An archer shoots an arrow horizontally at a target 17m away. The arrow is aimed straight at the center of the target, but it hits 59cm lower.
What is Kepler's First Law and in this experiment, there are eight pairs of photographs. In each pair, what things are the same in each? What things are different?
Old naval ships fired 14 kg cannon balls from a 250 kg cannon. It was very important to stop the recoil of the cannon, since otherwise heavy cannon would go careening across the deck of the ship. In one design, a large spring with spring constant 2..
Sodium coolant with a specic activity of 0.05 Ci/cm3 passes through a long pipe 8 in. in diameter. estimate the thickness of a cylindrical concrete shield
Calculate the direction of the average force on the ball during the contact . The magnitude of the average force is 4700N
An ideal transformer has 255 loops in its primary coil and 125 loops in its secondary coil. what is the rms secondary voltage
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