ch04-p012 - 12 We use Eq 4-15 with v1 designating the...

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12. We use Eq. 4-15 with G v 1 designating the initial velocity and G v 2 designating the later one. (a) The average acceleration during the Δ t =4 s interval is 22 avg ˆˆˆ ˆ ˆˆ ( 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. 4s a −− == + G (b) The magnitude of G a avg is 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.

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