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Calculate the acceptance cone angle for a fiber optic cable that has an index of 1.70 for the fiber core and a 1.47 index for the cladding. Make sure that you take refraction of the light entering the fiber into account in your calculation.
1. What is the acceptance cone angle?
A 5.8 m diameter merry-go-round is rotating freely with an angular velocity of 0.90 rad/s. What is the angular velocity of the merry-go-round now
The water comes out of the heads at an angle of 35o to the horizontal and covers a radius of 7.0 m. What is the velocity of the water coming out of each sprinkler head
If the bar has mass of 200g, a length of 15 cm, and th magnetic field has a magnitude of 0.2T, what must be the minimum current(direction and magnitude) to lift the bar
The walls of a blackbody cavity are at a temperature of 27 degrees C. find the frequency of the radiation of maximum intensity
A place-kicker must kick a football from a point 36.0 m (about 40 yards) from the goal. By how much does the ball clear or fall short (vertically) of clearing the crossbar
a point source of light is 3.5m below the surface of a large pool of water. what is the diameter of the largest circle on the pool's surface through which light can escape
What is the speed of the 2 cars as they move together after the collision.
On another planet the simple pendulum consisting of a 0.154 kg mass suspended on a 1.20 m long string has a period of 3.860 seconds. What is acceleration on this planet.
An LR circuit is hooked up to a battery as shown in the figure, with the switch initially open. The resistance in the circuit is R=120Ω, the inductance is L=4.10H, and the battery maintains a voltage of E=49V. At time t=0 the switch is closed.
In an experiment on the transport of nutrients in a plant's root structure, two radioactive nuclides X and Y are used. What is the half-life of isotope X
Jaime has a 4-kilogram mass on a 3 meter string, and he is swinging it around in a circle. How much force is Jaime using to pull the mass toward himself
consider the earth/atmosphere/ionosphere as an equivalent RC circuit with a total resistance of 230 ohm and a total capacitance of 2.9F. how long does this amount of discharge take in hours
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