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A ray of light, traveling in air, strikes the surface of mineral oil at an angle of 23.4? with the normal to the surface.
If the light travels at 2.17×108 m/s through the oil, what is the angle of refraction?
An object is placed 100 cm in front of a lens of focal length 20 cm. A second lens is placed 35 cm beyond the first, How far past the second lens is the final image formed
A meniscus lens is concave on one side and convex on the other. Find the refractive power (diopters) of a meniscus lens
A single force acts on a 4.4 kg particle-like object in such a way that the position of the object as a function of time is given by x = 3.8t - 4.6t2 + 1.3t3
solve a 0.880 mev photon is scattered by a free electron such that the scattering angles of the electron and photons are equal. Determine the angles?
A scaffold of mass 60 kg and length 6.5 m is supported in a horizontal position by a vertical cable at each end. What is the tension in the cable closer to the painter
The best laboratory vacuum has a pressure of about 1 × 10-18 atm, or 1.010 × 10-13 Pa. How many gas molecules are there per cubic centimetre in such a vacuum at 293K.
The biochemistry that takes place inside cells depends on various elements, such as sodium, potassium, and calcium, that are dissolved in water as ions. What is the resistance of the ion channel
A coil of 57. turns of wire has a diameter of 9.5 cm and carries 7.2 Amperes. How many Gauss is that
Calculate the angular wave number and the speed of the wave.
A nonconducting solid sphere of radius R has a volume charge density that is proportional to the distance from the center. That is, ? = Ar for r R, where A is a constant. (Use the following as necessary: 0, A, r, and R, as necessary.)
A meterstick moves past you at great speed. Its motion relative to you is parallel to its long axis. at what speed is the meterstick moving relative to you
A helicopter propeller blade starts from rest and experiences a constant angular acceleration of 17.0 rad/s2. Find the speed of a point on the blade 4.95 m from the axis of rotation
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