MathCastle
TrigonometrySuperchallengeGraphs of Sine and Cosine

Graphs of Sine and Cosine · Superchallenge problem

A Ferris wheel of radius 2525 m has its lowest point 33 m above the ground and turns once every 6060 s. A rider boards at the bottom at t=0t=0. Find the first time t>0t>0 at which the rider is 40.540.5 m high.