90_Dynamics 11ed Manual - x 1 ( ) = a 1t a t = a 1n v 1 2 x...

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Engineering Mechanics - Dynamics Chapter 12 a Bt1 3.695 m s 2 = a Bn1 2.041 m s 2 = a B1 4.22 m s 2 = θ 1 1 ρ b c 2 e ct 1 b c t 1 b c 2 = 1 25.1 deg = Problem 12–121 The motorcycle is traveling at v 0 when it is at A . If the speed is then increased at d v /d t = a t , determine its speed and acceleration at the instant t = t 1 . Given: k 0.5 m 1 = a t 0.1 m s 2 = v 0 1 m s = t 1 5s = Solution: yx () kx 2 = y' x () 2 kx = y'' x () 2 k = x () 1 y' x () 2 + () 3 y'' x () = v 1 v 0 a t t 1 + = s 1 v 0 t 1 1 2 a t t 1 2 + = v 1 1.5 m s = Guess x 1 1m = Given s 1 0 x 1 x 1 y' x () 2 + d = x 1 Find
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Unformatted text preview: x 1 ( ) = a 1t a t = a 1n v 1 2 x 1 ( ) = a 1 a 1t 2 a 1n 2 + = a 1 0.117 m s 2 = Problem 12-122 The ball is ejected horizontally from the tube with speed v A . Find the equation of the path y = f ( x ), and then find the balls velocity and the normal and tangential components of acceleration when t = t 1 . 88...
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This note was uploaded on 08/16/2011 for the course EGN 3321 taught by Professor Christianfeldt during the Spring '08 term at University of Central Florida.

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