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You send a beam of light from a material with index of refraction 1.19 into an unkown material. In order to help identify this material, you determine its index of refraction by measuring the angles of incidence and refraction for which you find the values 40.3° and 36.3°, respectively. What is the index of refraction of the unknown material?
The speed of an alpha particle is determined to be 1.55×106 m/s. what is the magnitude of that potential
If a car travelling at 63 km/h will skid 18 m when its brakes lock, how far will it skid if it is travelling at 150 km/h while its brakes lock.
a lead ball of mass 18.0 kg is dropped from rest from a height of 23.0 m above the ground, Write in vector format the acceleration of the ball
Write at least one paragraph in which you define diffraction and interference, discuss Huygens' Principle and explain why light passing through a narrow slit
Two newly discovered planets follow circular orbits around a star in a distant part of the galaxy. What is the mass of the star
Consider the swimmer in the figure below. Suppose that his swimming speed relative to the water is 5.7 m/s, current = 2.6 m/s, How long will it take for him to cross the river
A 900 kg car enters an unbanked curve with a radius oof 75.0 m. The coefficient of static friction between the tires and roadbed iis .20. what is the maximum speed with which the car can safely negotiate
question1a 100-kg athlete is performing vertical leap to test his leg strength. he leaves ground at 3.20 ms zooms
Starting from the definition of the spherical harmonics in terms of Legendre polynomials, derive Y30(θ,φ), Y31(θ,φ), and Y32(θ,φ). Write down the differential operators corresponding to the L2 and Lz operators in spherical coordinates.
Three equal positive point charges of magnitude Q = 6.00? C are located at three corners of a square of edge length d = 2.9 cm. A negative charge -18.00? C is placed on the fourth corner.
Given an ordinary cylindrical glass with a volume of one half liter and filled completely to the top with water at room temperature (20C), What would be the vapor pressure for this fluid
A river with the width of 800 m flows due south with a speed of 2.0 m/s. A man steers a motorboat across the river; How much time required to cross the river
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