98_Dynamics 11ed Manual - Engineering Mechanics Dynamics...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
Engineering Mechanics - Dynamics Chapter 12 Given a Bt 2 t 1 2 v 0 t 1 + b 6 t 1 3 v 0 t 1 + r θ + = t 1 Find t 1 () = t 1 2.507 s = Assume that A catches B Guess t 2 13 s = Given a Bt 2 t 2 2 v 0 t 2 + r 2 πθ + b 6 t 2 3 v 0 t 2 + = t 2 Find t 2 = t 2 15.642 s = Take the smaller time t min t 1 t 2 , = t 2.507 s = a A bt 2 b 2 t 2 v 0 + 2 r 2 + = a B a Bt 2 a Bt tv 0 + 2 r 2 + = a A a B 22.2 65.14 m s 2 = Problem 12-133 The truck travels at speed v 0 along a circular road that has radius ρ . For a short distance from s = 0, its speed is then increased by d v /d t = bs . Determine its speed and the magnitude of its
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.
Ask a homework question - tutors are online