Ah, thank you! Thought it would be something simple - I'm a bit rusty on my math. Does the rest of my solution/thinking look fine?
And thanks for the welcome, I've been a lurker for years now so it's about time I joined. :P
Homework Statement
(context: I'm studying for a test, and this is a question from a past exam paper.)
"A wedge of mass M with angle \phi is free to slide on a frictionless horizontal table. A solid ball of radius a and mass m is placed on the slope of the wedge. The contact between the ball...