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Red light from a medical helium-neon laser has a wavelength of 632.8 nm. The laser is aimed into a human eye, and light strikes the boundary of the cornea, index of refraction 1.38, and the aqueous humour, index of refraction 1.33, and an angle of 12.4°. What is the angle of refraction?
If possible, please include diagram.
Three identical stars of mass M = 3.1x1030 kgform an equilateral triangle that rotates around the triangle'scenter as the stars move in a common circle about that center. Thetriangle has edge length L = 8.3x1010 m. What is the speed of the stars?
A 5 x 10^3 Newton weight is held suspended in equilibrium by two cables. Cable one applies a horizontal force to the right of the object and has a tension, T1. Find what is the tension in first cable
A race car has a mass of 701 kg. It starts from rest and travels 35.0 m in 3.0 s. The car is uniformly accelerated during the entire time. Illustrate what net force is exerted on it?
Your refrigerator has a mass of 124.7 kg, including the food in it. It is standing in the middle of your kitchen, and you need to move it. The coefficients of static and kinetic friction between the fridge
In a typical living cell, the electric potential inside thecell is 0.070 V lower than the electric potential outside the cell. The thicknes of the cell membrane is 010 μm. What is the magnitude and direction of the electric fieldwithin the cell m..
A 270 mL soda can is 5.27 cm in diameter and has a mass of 23.4 g. Such a soda can half full of water is floating upright in water. What length of the can is above the water level
In a pure rotational spectrum of HS radical (eq bond length r=1.40 Angstroms) you notice that the most intense absorption corresponds to J=8-->9 transition. Estimate the sample temperature.
a 5 litre pressure vessel contains 200g of propane. using the peng robinson eos calculate the pressure in the vessel
Consider a water-filled manometer, constructed to measure blood pressure via a direct connection to an artery. How tall (in cm) would such a manometer have.
two cars are traveling at equal speeds but in opposite directions. one car sounds its horn at a frequency of 111 hz
A vertical spring (spring constant =165 N/m) is mounted on the floor. A 0.390-kg block is placed on top of the spring, Obtain the frequency (in Hz) of the motion
The collision between a hammer and a nail can be considered to be approximately elastic. Estimate the kinetic energy acquired by a 14-g nail when it is struck by a 550-g hammer moving with an initial speed of 3.3 m/s.
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