Posted by Colin on September 04, 2002 at 02:13:44:
v = dx/dt = R*Sqrt[2g/(R+x)]
can this be solved by separating the variables? I can't figure out how.
dx/Sqrt[2g/(R+x)] = Rdt
but how can I integrate the left side???
Can someone help me to figure out the integration?
thanks,
Colin