My Math Forum relative velocities between spinning disks

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 January 10th, 2012, 04:07 PM #1 Newbie   Joined: Jan 2012 Posts: 1 Thanks: 0 relative velocities between spinning disks Hi, Could someone help walk me through the steps necessary to obtain the following values for u and v. I started with u = Cos(angle_between_u_and_R_wp)*R*wp and R^2 = (d+rcos(theta))^2 +(rsin(theta))^2 and just end up with a mess. Any help would be appreciated. Thanks! http://imgur.com/M5D78
 January 11th, 2012, 10:17 AM #2 Newbie   Joined: Jan 2012 Posts: 21 Thanks: 0 The Coriolis Force EFECTO CORIOLIS Coriolis Force=$\vec{r}\times\vec{\omega}$ Coriolis Force increases/decreases with r In the center, there is no Coriolis Force
 January 11th, 2012, 10:24 AM #3 Newbie   Joined: Jan 2012 Posts: 21 Thanks: 0 EFECTO CORIOLIS Coriolis Force=$\vec{r}\times\vec{\omega}$ Coriolis Force increases/decreases with r In the center, there is no Coriolis Force
 January 11th, 2012, 11:36 AM #4 Senior Member   Joined: Oct 2011 From: Belgium Posts: 522 Thanks: 0 Re: relative velocities between spinning disks It is not a question about forces (dynamics), but just about movement (kinematics). We just have to add the speeds as vectors. use r.sin(theta) = R.sin(angle_between_d_and_R)

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