82_Physics ProblemsTechnical Physics

82_Physics ProblemsTechnical Physics - Chapter 4 Section...

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Chapter 4 83 Section 4.2 Two-Dimensional Motion with Constant Acceleration P4.5 (a) vv a a ij fi t t =+ = = +−− 900 700 300 200 . ± . ± . ± . ± . . ± . ± ej ms 2 (b) rrv a i j i j fi i tt t t =+ + = + + 1 2 1 2 22 . ± . ± . ± . ± xt t 2 . m and yt t =− 150 2 .. m P4.6 (a) v r j == F H G I K J −= d dt d dt 3 00 6 00 12 0 2 . ± . ± . ± a v jj F H G I K J d dt d dt t 12 0 12 0 . ± . ± 2 (b) ri j v j = 3 00 6 00 12 0 . ± . ± ;. ± m P4.7 vi j i 400 100 . ± . ± m s and j 20.0 m s af 20 0 5 00 . ± . ± (a) a v t x x = 20 0 4 00 20 0 0800 . . a v t y y −− 500 100 20 0 0 . .300 (b) θ = F H G I K J °= ° + tan . . . 1 0300 20 6 339 from axis x (c) At t = 25 0 . s xx v t a t yy v t a t vva t t v v fix i x fiy i y xf xi x yf yi y y x = + + = = − + +− =+= + = = = F H G I K J = F H G I K J 1 2 10 0 4 00 25 0 1 2 0 800 25 0 360 1 2 4 00 1 00 25 0
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This note was uploaded on 12/14/2011 for the course PHY 203 taught by Professor Staff during the Fall '11 term at Indiana State University .

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