An electrical motor provides 0.50 W of mechanical power. How much time will it take the motor to lift a 0.1 kg mass at a constant speed from the floor to a shelf 2.0 m above the floor?
An electrical motor provides 0.50 W of mechanical power. How much time will it take the motor to lift a 0.1 kg mass at a constant speed from the floor to a shelf 2.0 m above the floor?