ch05-p044 - 2 We have chosen upward as the positive y...

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44. With a ce meaning “the acceleration of the coin relative to the elevator” and a eg meaning “the acceleration of the elevator relative to the ground”, we have a ce + a eg = a cg ¡ –8.00 m/s 2 + a eg = –9.80 m/s 2 which leads to a eg = –1.80 m/s
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Unformatted text preview: 2 . We have chosen upward as the positive y direction. Then Newton’s second law (in the “ground” reference frame) yields T – m g = m a eg , or T = m g + m a eg = m ( g + a eg ) = (2000 kg)(8.00 m/s 2 ) = 16.0 kN....
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This note was uploaded on 05/17/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.

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