¿Cuál será la velocidad de salida y la Rv de un sistema de tornillo sin fin- rueda dentada si se coloca un motor de 1000rpm al tornillo sin fin y la rueda dentada tiene 10 dientes? ¿Y si se coloca el motor en la rueda dentada? dOY 15 puntos al primero que me responda bien

Asample of digestive juice was removed from the stomach of a pig. the juice was placed in a test tube along with some grains of wheat. a second test tube was set up containing an equal number of wheat grains, with distilled water rather than digestive juice. the test tubes were kept for 8 hours at 40 degrees c. after 8 hours, the grains inside the digestive juice had broken into tiny particles. the grains of wheat, in the water, were wet but otherwise unchanged. what is the control group?