¿Cuál magnitud indica el cambio de la velocidad de un objeto durante un tiempo
determinado?

Bone-strengthening physical activity done increases bone-mineral content and bone density in youth.

Awind turbine is rotating counterclockwise at 0.5 rev/s and slows to a stop in 10 s. its blades are 20 m in length. (a) what is the angular acceleration of the turbine? (b) what is the centripetal acceleration of the tip of the blades at t=0s? (c) what is the magnitude and direction of the total linear acceleration of the tip of the blades at t=0s?

Mixing salt in water is an example of physical change