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Unformatted text preview: variable force P = ( 100 t) Newton , where (t) in seconds and upward force Q = ( 140 t -190) Newton . If the block starts from point A , where x A = 20 m , to move upwards with initial velocity v A = 45 m / s . determine the acceleration and the normal reaction as functions of time , then determine the position and velocity at t = 4 s ....
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This note was uploaded on 12/21/2010 for the course ENGINEERIN mp108 taught by Professor Elbarki during the Spring '08 term at Alexandria University.
- Spring '08