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Light is refracted through diamond from air. If the angle of incidence is 30° and the angle of refraction is 12°, what is the speed of light in diamond?
1. a double loop of wire of radius 40 mm lies in a plane perpendicular to a uniform magnetic field. the field changes
A proton (mass m = 1.67 x 10-27 kg) is being accelerated along a straight line at 5.3 x 1011 m/s2 in a machine. If the proton has an initial speed of 7.5 x 105 m/s and travels 2.5 cm, what then is (a) its speed and (b) the increase in its kinetic ene..
A college student is working on her physics homework in her dorm room. Her room contains a total of 6x 10^26 gas molecules. As she works, her body is converting chemical energy into thermal energy at a rate of 125 W.
A 1.1 µF capacitor has an electric field of 1.2x105 V/m between two metal plates 1 mm apart. What is the energy stored on the capacitor
A circular loop of wire with 10 turns, radius 0.241 m and resistance 0.235 Ohms is connected to a 13.1 V power supply. find The magnetic field at the center of this loop
A gas expands from a volume of 100L to 250L while the pressure changes according to the relation P=aV^2, where a = 2.00 N/m^8. How much work is done by the gas during the expansion?
Two ships are 335 m aparts from each other are shooting cannons at each other. Both ships' cannons are 3.0 m above the water line and both have a muzzle velocity (speed of the cannon ball) of 217 m/s.
What is the electrical force between a two charges that each has a charge value of .0004 C each that are 2 meters apart
Find the string length ratios for Locrian mode by startingwith 'B' and then lowering (never raising) the pitch by perfectfifths, 6 times. If frequency corresponding to 'B' is 495 Hz, whatis the frequency corresponding to 'F'?
The expression found in part (d) is a cubic equation. There are standard algebraic solutions to this type of equation, but it is sometime quicker and easier to use other methods. explain a way to get a reasonably accurate estimate of v (say, to th..
A 23.7 g bullet is shot into a 4706 g wooden block standing on a frictionless surface. The block, with the bullet in it, acquires a velocity of 0.982 m/s. Calculate the velocity of the bullet before striking the block. Amswer in units of m/s.
A 34 g bullet travelling at 120m/s embeds itself in awooden block on a smooth surface. The block then slides toward aspring and collides with it. Calculate the mass of the block of wood
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