2avg( 30 m/s)( 1m/s)20 m/s2.4 sa−−+==−which indicates that the average acceleration has magnitude 20 m/s2and is in the opposite direction to the particle’s initial velocity. 19. We represent its initial direction of motion as the +
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This note was uploaded on 09/03/2009 for the course PHYS 1200 taught by Professor Stoler during the Spring '06 term at Rensselaer Polytechnic Institute.