Un martillo cae y golpea el suelo con una velocidad de 25 m/s, Hallar: 1). Altura que cae el martillo
2). Tiempo de estadía en el aire.

Acentral angle measuring 160 degrees intercepts an arc in a circle whose radius is 4. what is the length of the arc the circle formed by this central angle? round the length of the arc to the nearest hundredth of a unit. a) 4.19 units b) 6.28 units c) 12.57 units d) 12.57 square units