a load of mass 120kg is raised vertically through a height of 2m in 30s by a machine whose efficiency is 100%. calculate the power generated by the machine​

What term do psychologists use to designate our personal awareness of feelings, sensations, and thoughts?

The percent efficiency of a machine can never be 100% (or greater), because in the real world some energy is always converted into a. heat b. work c. input force d. output force

What is the stall speed at sea level of an airplane that weights 10000 lbs., has a wing area of 300ft^2, and a maximum lift coefficient of 1.4? what is the stall speed if flaps that double cl,max are applied?