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1. A film of oil with refractive index 1.45 floats on water with refractive index of 1.33. When illuminated by white light at normal incidence, light of wavelength 700 nm and 500 nm is predominant in the reflected light. Determine the thickness of the oil film.
A small drop of oil is suspended motionless in the air by a uniform electric field that is directed upward and has a magnitude of N/C, What is the mass of the drop
A person pulls a toboggan for a distance of 41.7 m along the snow with a rope directed 24.3 ° above the snow, How much work is done on the toboggan by the tension force
Your company makes anemometers and plans to install light bulbs on them for high wind warnings. calculate the number of turns in the coil wire needed to light the bulb
A charge of 25 nC is uniformly distributed along a circular arc, What is the magnitude of the electric field at the center of the circle along with the arc lies
A dielectric-filled parallel-plate capacitor has plate area of 30cm^2 and plate separation of 5mm. The capacitor is connected to a battery that creates a constant voltage of 10V. The dielectric constant is 3. All through the problem, use epsilon_0..
A point charge Q is trapped at the center of a thin-walled hollow conductive sphere of radius R, How much charge will collect on the inside surface of the hollow sphere
The baseball bat has a mass of .82kg and is .86m long. What is the baseball bat angular acceleration when it has reached 20 degrees from the verticle
A coil consists of 212 turns of wire. Each turn is a square of side d = 18 cm, compute the magnitude of the induced emf in the coil
Speedboat A negotiates a curve whose radius is 150m. Speedboat B negotiates the curve whose radius is 190m. Each boat experiences the same centripetal acceleration. What is the ratio vA/vB of the speeds of boats.
A test charge of +2*10^-7 C is located 5cm to the right of a charge +1*10^-6 C and 10 cm to the left of a charge -1*10^-6 C. The three charges lie on a straight line
A penny is placed at the outer edge of a disk radius = .150 m that rotates about an axis that is perpendicular to the plane of the disk at the center. The period of the rotation is 1.80 s. Find out the minimum coefficient of friction neccesary to..
Four protons and four electrons are located inside a pyramid and are separate from each other, What is the net value of electric flux through the surface of the pyramid
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