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Unformatted text preview: force P = ( 100 x ) Newton , where (x) is the position in meters and upward force Q = ( 170 x - 310) Newton . The block starts from point A , where x A = 20 m , to move upwards with initial velocity v A = 48 m / s . Prove that the acceleration (a) , velocity ( v) , and the position (x) functions have the forms : ) 16 4 x ( ln t 3 , ) 4 x ( 3 v , ) 4 x ( 9 a − = − = − = ....
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- Spring '08