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A light ray is incident normally to the long face (the hypotenuse) of a 45° -45° -90° prism surrounded by air, as shown in the figure below. Calculate the minimum index of refraction of the prism for which the ray will totally internally reflect at each of the two sides making the right angle.
How much energy is given to the cell during this pulse. How many years would it take the earth to move 1.0 mm at this speed.
A 1300kg sports car accelerates from 0m/s to 33m/s in 12s . What is the average power of the engine?
What must your average speed over the next 10 miles be to have your average speed for the total 20 miles be 13m/h? c)Given this average speed for the first 10 miles, can you possibly attain an average speed of 14for the total 20-mile ride?
A wood block floats on water with 35% of its volume above the surface (of water), what is the average density of the block (in kg/m3)
What is a density of the block
An airplane is flying with a velocity of 96.0m/s at an angle of 19.0(degrees) above the horizontal. How far from the dog will the suitcase land
A solid disk is rotating about an axis with uniform angular velocity. another disk, with the same moment of intertia about the rotation axis, how is the new angular velocity related to the old one
A krypton laser produces a cylindrical red laser beam 2.0 in diam with 2.0 of power. What is the light intensity on a wall 2.5 away from laser.
A chemist must dilute of M aqueous silver nitrate solution until the concentration falls to M . He'll do this by adding distilled water to the solution until it reaches a certain final volume
A 65ohms resistor, an 8.0uF capacitor, and a 35 mH inductor are connected in a series in an ac circuit. Calculate the impedance for a source frequency of 300Hz
A 73 kg parachutist descends during a vertical height of 420 m with constant speed. Find the increase in entropy produced by the parachutist; assume the air temperature is 21°C.
cancer patient is undergoing radiation therapy in which protons with an energy of 1.2 MeV are incident on a 0.10-kg tumor. How many protons are absorbed by the tumor
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