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)
Help me, please :(

in most common fires, oxygen is needed for an oxidation reaction to takes place. the combination of oxygen with any element as fuel can create fire and combustion will occur especially if wood, light materials and other combustible things are combine with oxygen.