Un cuerpo de 2kg se encuentra atado al extremo de una cuerda que gira y describe una trayectoria circular de 2 m de diámetro. Si la cuerda soporta una fuerza máxima de 60 N antes de romperse: a. ¿Cuál es la máxima velocidad a la cual puede girar el sistema? b. ¿Cuál es el periodo de rotación para esa velocidad máxima?

Marcella is a four-year-old girl who is a victim of emotional child abuse. based on the child and family services improvement and innovation act of 2011, which action should the government take for marcella? a. the state should arrest marcella’s abuser. b. the state should find a home for marcella as soon as possible. c. the state should enforce stricter laws in the area where marcella resides. d. the state should provide medical assistance to marcella.

Why do astronauts in the space shuttle weigh less?

Two point charges are separated by a certain distance. how does the strength of the electric field produced by the first charge, at the position of the second charge, change if the second charge is doubled? a. the field does not change b. the field strength decreases by half. c. the field strength doubles d. the field strength quadruples