Recent content by nohkie

Homework Statement A roller coaster with radius of 19.6 and at the top of the roller coaster the veloctiy is 14 m/s and the apparent weight is 0. Calculate the veloctiy at the bottom of the roller coast? Homework Equations The Attempt at a Solution I can see that Mv^2/r=mg at the...

https://www.physicsforums.com/attachment.php?attachmentid=56184&d=1362060936 https://www.physicsforums.com/attachment.php?attachmentid=56185&d=1362060998 https://www.physicsforums.com/attachment.php?attachmentid=56186&d=1362061038 Any help of how to prove this problem would be...