Una patinadora entrena en una pista circular el radio de la pista es de 15 m y la circunferencia mide 94.2m calcula el desplazamiento y la distancia cuando recorre toda la pista

The coefficient of friction is a number that represents the resistance to sliding between two in contact with one another.

If an athlete runs once around a track, back to the starting line, her average velocity is zero. true or false?

The uniform slender bar rests on a smooth horizon- tal surface when a force f is applied normal to the bar at point a. point a is observed to have an initial acceleration aa of 20 m/s2, and the bar has a corre- sponding angular acceleration of 18 rad /s2. deter- mine the distance b.