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The walls of a soap bubble have about the same index of refraction as that of plain water, n=1.33. There is air both inside and outside the bubble
Part A
What wavelength (in air) of visible light is most strongly reflected from a point on a soap bubble where its wall is 292 nm thick?
Part B
To what color does this correspond? To what color does this correspond?green blue red orange
Calculate the eccentricity, e, of a planet's orbit around a central star if the ratio of its gravitational potential energies at the aphelion and at the perihelion is ? = 0.175
Two forces, FA and FB, act on an object such that the object accelerates in the y-direction. FA is 150 N and is 55.0o from the positive x-axis. What third force (magnitude and direction) is necessary if you wish to keep the object from accelerating
Mike lifts a 15 kg cubical crate from the floor if his apt until it is flat against the ceiling. How much work against gravity does Mike do in lifting the crate
A bicycle rides by in front of you moving right to left. What is the torque applied to the wheel
An electron in an infinite potential well (a box) makes a transition from the n = 3 level to the ground state and in so doing emits a photon of wavelengh 20.9 nm. what is the width of this well
A carbon dioxide laser is an infrared laser. A CO2 laser with a cavity length of 53.00 cm oscillates in the m=100,000 mode. What is the wavelength of the laser beam
Two identical 19.1?kg spheres of radius 12.7cm are 35.7cm apart (center-to-center distance). If they are released from rest and allowed to fall toward one another, what is their speed when they first make contact
A small asteroid is discovered in a circular orbit around a larger asteroid at a distance of 19.39 km. The period of the orbit is measured to be 76.76 hours. What is the mass of the larger asteroid
A 24 inch string is wrapped around the 1/8 inch radius axis of a yo yo. Starting from rest, the yo yo descends with the constant angular acceleration of 4 rad/seconds squared. How long will it take the string to totally unwind.
A monkey is chained to a stake in the ground. The stake is 2.72 m from a vertical pole, and the chain is 3.82 m long. How high can the monkey climb up the pole
You have 34 tuning forks that oscillate at close but different frequencies. What are the (a) maximumand (b) minimum number of different beat frequencies you can produce by sounding the forks 2 at a time,depending on how the frequencies differ?
a van de graaff machine has a dome of radius 2.0 m. a motor causes a charged insulating belt to travel continuously
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