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Q. A hunter aims directly at a target (on the same level) 101m away. If the bullet leaves the gun at a speed of 203m/s, by how much will it miss the target?

Q. The supersonic aircraft Concorde has a length of 63.0 rm{m} when sitting on the ground on a typical day when the temperature is 16.0rm{^{circ}C}. The Concorde is primarily made of aluminum. In flight at twice the speed of sound, friction with the air warms the Concorde's skin and causes the aircraft to lengthen by 20.0 rm{cm}. (The passenger cabin is on rollers, so the airplane expands around the passenger cabin.)

Take the coefficient of linear expansion for aluminum to be alpha = 2.40×10-5/rm{^{circ}C}. What is the temperature T of the Concorde's skin in flight?

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