108_Physics ProblemsTechnical Physics

108_Physics ProblemsTechnical Physics - Chapter 4 P4.63 (a)...

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Chapter 4 109 P4.63 (a) While on the incline vv a x vva t v t v t fi f f 22 2 2 02 4 0 05 0 0 20 0 0 4 00 20 0 500 −= = = .. . . af ms s FIG. P4.63 (b) Initial free-flight conditions give us v xi = 20 0 37 0 16 0 .c o s . . ms and v yi =− °=− 20 0 37 0 12 0 .s i n . xf xi = since a x = 0 va y v yf y yi + + − 9 8 0 3 0 0 1 2 0 2 7 1 2 2 . . vvv fx f y f =+ = + ° 16 0 27 1 31 5 . a f m s at 59.4 below the horizontal (c) t 1 5 = s; t a yf yi y 2 27 1 12 0 980 153 = = −+ = . . s tt t =+= 12 653 s (d) xv t xi == = 1 16 0 1 53 24 5 . m P4.64 Equation of bank: Equations of motion: yx t yg t i 2 2 16 1 2 1 2 3 = = a f a f a f Substitute for t from (2) into (3) x v i F H G I K J 1 2 2 2 . Equate y from the bank equation to y from the equations of motion: FIG. P4.64 16 1 2 4 16 4 16
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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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