57_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 v x1 9.093 m s = v y1 3.329 m s = v 1 9.683 m s = Accelerations a x1 a b 2 cos bt 1 () = a y1 c b 2 sin 1 = a 1 a x1 2 a y1 2 + = a x1 8.323 m s 2 = a y1 14.549 m s 2 = a 1 16.761 m s 2 = Path x a cos = y c sin = Thus x a 2 y c 2 + 1 = QED Problem 12–70 A particle travels along the curve from A to B in time t 1 . If it takes time t 2 for it to go from A to C , determine its average velocity when it goes from B to C . Given: t 1 1s = t 2 3s = r 20 m = Solution: r AC 2 r 0 = r AB r r = v ave r AC r AB
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