Question

Two people are 50feet apart. One of them starts walking north at a rate so that the angle shown in the diagram below is changing at a constant rate of 0.01 rad/min. At what rate is the distance between the two people changing when beta=0.5 radians?

Answer 1

\[\frac{ d \theta }{ dt } = 0.01 \]

Answer 2

I need to find \[\frac{ dx }{ dt } = ?\]