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Fearofphysics: Physics problem of the week
Physics Problem of the Week for Aug 10 2015
Ship and Cannon Ball
A ship is heading toward the coast at 5 m/s. When it is 20 m away, a cannon ball is launched at 10 m/s, from a height of 4 m above sea level. At what angle must it be launched, in order to hit the front edge of the ship?
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