Tag: Sliding

When Does a Sliding Ladder Lose Contact With the Wall?

This started as a calculus problem. The question said that the top of a ladder moves down with some constant speed and asks about the speed of the contact point with the floor. You can see my solution here. Of course my initial thought was not about derivatives of x and y, but instead I thou...

The Why and the How: Sliding Scale pricing 5 ways

Poly Pages is an online platform and podcast. They recently began running events for their community, and they had to decide how to make those events accessible to everyone. “Polyamorous spaces — including conferences and meet-ups — are often really white, middle-class, and...