Wyle E. Coyote is chasing that poor Road Runner again. Road Runner ran two thousand meters from the little Mesa to the Copper Canyon in one minute and fourteen seconds. He is a fast little bird. Coyote tried 3 different ways to catch the Road Runner. Prove using what you know from Physics why the Coyote never seems to be able to catch him.​

Aplayground merry-go-round has a radius of 4.6 m and a moment of inertia of 200 kg-m2 and turns with negligible friction about a vertical axle through its center. a child applies a 26.0 n force tangentially to the edge of the merry-go-round for 15.0 seconds. if the merry-go-round is initially at rest, how much work did the child do on the merry-go-round?