Finding an equation for the speed of a ball

  • Thread starter goomstooms
  • Start date
  • #1

Homework Statement

A small ball rolls around a horizontal circle at height y inside the cone. Find an expression of the ball's speed in terms of a, h, y and g

Homework Equations

Newton's third law

The Attempt at a Solution

I am not sure how to approach this problem

Answers and Replies

  • #2
Science Advisor
Homework Helper
Newton's third law
No, use Newton's second law …

force = mass times acceleration, plugging in the formula for centripetal acceleration :wink: