Un grúa cuyo rendimiento es del 50% está instalada a un motor cuyo rendimiento es del 80%. Si al motor se le proporciona una potencia de 800watt, calcular la velocidad constante con la cual podrá subir un bloque e masa 1kg (g = 10m/s2

think its the third option

the inner core.

good luck: )

klicker

igneous rocks also form where plates converge. the subducting plate melts as it sinks into the crust of the earth, and the melt rises into the overriding plate forming volcanoes. metamorphic rocks are formed mainly in the lithosphere, wherever there is high pressure and high temperature. -woods