The hammer throw is a track-and-field event in which a 7.3-kg ball (the hammer) starting from rest
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The hammer throw is a track-and-field event in which a 7.3-kg ball (the “hammer”) starting from rest is whirled around in a circle several times and released. It then moves upward on the familiar curving path of projectile motion. In one throw, the hammer is given a speed of 29 m/s. For comparison, a .22 caliber bullet has a mass of 2.6 g and, starting from rest, exits the barrel of a gun at a speed of 410 m/s. Determine the work done to launch the motion of
(a) The hammer and
(b) The bullet.
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a The Work required to launch the hammer is W mv 2 f mv 2 ...View the full answer
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