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4. This Olympic skeleton athlete slides down an icy track head first. The track has many twists and turns with a total height of 102.75 m. If the 99.375 kg man has a speed of 27 m/s at the bottom, what was the total work done on him by
friction and air resistance slowing him down? (In other words, what was the energy lost to friction and air resistance?) He starts from rest at the top.
C
63843.469
Previous submissions:
-63.84 63.84 63843 63843.5 63843.5 J
J
incorrect
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Transcribed Image Text:4. This Olympic skeleton athlete slides down an icy track head first. The track has many twists and turns with a total height of 102.75 m. If the 99.375 kg man has a speed of 27 m/s at the bottom, what was the total work done on him by friction and air resistance slowing him down? (In other words, what was the energy lost to friction and air resistance?) He starts from rest at the top. C 63843.469 Previous submissions: -63.84 63.84 63843 63843.5 63843.5 J J incorrect
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