notsam Messages 50 Reaction score 0 Thread starter May 7, 2011 #1 Homework Statement A sinusoidal function of time is x = (4.7 m) cos[(0.2 rad/s)(4.5 s)] . Find the magnitude of the velocity v. Homework Equations The Attempt at a SolutionHELP! :)
Homework Statement A sinusoidal function of time is x = (4.7 m) cos[(0.2 rad/s)(4.5 s)] . Find the magnitude of the velocity v. Homework Equations The Attempt at a SolutionHELP! :)
gneill Mentor Messages 20,989 Reaction score 2,934 May 7, 2011 #2 What's the "4.5 s" parameter in the cosine function? Shouldn't there be a 't' variable in there if the position is a function of time?
What's the "4.5 s" parameter in the cosine function? Shouldn't there be a 't' variable in there if the position is a function of time?