12. We use Eq. 4-15 with Gv1designating the initial velocity and Gv2designating the later one.(a) The average acceleration during the Δt=4sinterval is 22avgˆˆˆˆˆˆ( 2.0i 2.0 j+5.0k) m/s (4.0i 22 j+3.0k) m/s( 1.5 m/s )i (0.5m/s )k.4sa−−−−==−+G(b) The magnitude of Gaavgis 2( 1.5 m/s )(0.5 m/s )1.6m/s .−+
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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.