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?

Eddy whose mass is 55kg climbs up the 1.50 meter high stairs in 2s.calculate eddy’s power rating

Ammonia enters the expansion valve of a refrigeration system at a pressure of 10 bar and a temperature of 18oc and exits at 6.0 bar. the refrigerant undergoes a throttling process. determine the temperature, in oc, and the quality of the refrigerant at the exit of the expansion valve.

Will give brainliest! jay rides his 2.0-kg skateboard. he is moving at speed 5.8 m/s when he pushes off the board and continues to move forward in the air at 5.4 m/s. the board now goes forward at 13 m/s.a. determine jay’s mass.b. determine the change in the internal energy of the system during this process.(express your answer to two significant figures and include the appropriate units.)