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Consider an optical fiber having a core index of 1.46 and a cladding index of 1.45.
a) What is the critical angle for this core-cladding interface?
b) For what range of angles inside the fiber at the entrance to the fiber (θ2) will light be totally internally reflected at the upper edge of the fiber?
c) To what range of incidence angles (θ1) does this correspond?
d) How will that range of incidence angles in part (c) be changed if the fiber is submersed in water rather than air?
If the bullet leaves the gun at a speed of 280 m/s, by how much will it miss the target.
A 210-kg load is hung on a wire of length of 4.80 m, cross-sectional area 2.00 10-5 m2, and Young's modulus 8.00 1010 N/m2. What is its increase in length
a man is using a cord to tow a sled at constant speed on a horizontal ground surface. the mass of the sled is 10 kg.
what is the bee's speed at once afterward.
A projectile is fired horizontally from a gun that is 41.0m above flat ground. The muzzle velocity is 260 m/s. What is its speed as it strikes the ground
A skater is initially spinning at a rate of 13.1 rad/s with a rotational inertia of 2.54 kg·m2 when her arms are extended. What is her angular velocity after she pulls her arms in and reduces her rotational inertia to 1.64 kg·m2?
A solenoid is made by wrapping a wire so that it makes a solenoid (coil) having 500 turns of diameter 8.00 cm and length 40.0 cm. Find the inductance of this solenoid
A fisherman notices that his boat is moving up and down periodically, owing to waves on the surface of the water. It takes 3.50s for the boat to travel from its highest point to its lowest, a total distance of 0.640m .
A baseball is bunted down the third-base line leaving the batfrom a height of 0.850m with an initial velocity of 4.00m/s at anangle of 36.87° above horizontal, What are the radiuses of the baseball path curvature
a small circular loop of area 5.00 cm2 is placed in the plane of and concentric with a large circular loop of radius
In a series RLC circuit, the resistance is 50 ?,the capacitance is 75 µF and the inductanceis 70 mH. The AC generator provides an rmsvoltage of 100 V operating at 1000 rad/s. 1. Find the power supplied by the source. Answer in units of W.
A college student produces about 127 kcal of heat per hour onthe average. What is the rate of energy production inwatts? How many kilocalories of heat does the operation of a 1195 Whair dryer produce each second?
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