Un disco realiza 120 revoluciones por un minuto y tiene un diametro de 3.5 metros calcule a) su periodo b) frecuencia c) velocidad angular d) velocidad lineal e) aceleracion centripeta

Question 11 of 13 (1 point) jump to question: a stairway, ladder, or ramp must be present in excavations in which of the following situations? a. all trenches must have access/egress b. the trench is more than 15 feet wide but only 1 ½ feet deep c. the trench is more than 4 feet deep and the devices must be within 25 feet of all workers

If a star is moving toward earth, it is

How does the motion of an airplane compare to the motion of a rocket ?