An ornament for a crib consists of a metal ring with a teddy bear hanging from it, which rotates at a constant angular velocity. The ring remains o...

An ornament for a crib consists of a metal ring with a teddy bear hanging from it, which rotates at a constant angular velocity. The ring remains oriented horizontally, so that the movement of the teddy bear is projected on the wall by its shadow. While the teddy bear rotates, its shadow describes a movement


a) circular uniforme.
b) retilíneo uniforme.
c) retilíneo harmônico simples.
d) circular uniformemente variado.
e) retilíneo uniformemente variado.