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Question: Suppose that the optical fiber of Example 8-5 is submerged in water (with n = 1.33) instead of air. Determine θa and fpin that case.
Example: Transmission Data Rate on Optical Fibers A 1 km long optical fiber (in air) is made of a fiber core with an index of refraction of 1.52 and a cladding with an index of refraction of 1.49. Determine
(a) the acceptance angle θa, and
(b) the maximum usable data rate of signals that can be transmitted through the fiber.
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A rifleman fires a round with a muzzle velocity of 300 m/s from a height of 1.5 m at a target on a wall 200 m away and 3 m high. What angle (theta) should he fire the rifle at to hit the target?
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You have made a raft to transport your fortune in gold across the lake. What is the maximum mass of gold you can carry without sinking the raft
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