A motor is used to raise a lift of mass 200 kg and 4 passengers each of whom has an average mass of 65 kg. They wish to go to the third floor, which is 12 m above them. If the motor is 43% efficient, what
input of electrical energy is required? Give your answer in kJ (Show Work)

How do the kidneys affect homeostasis

If two parallel light rays hit a mirror, they will not be parallel to each other after they reflect.

According to newton’s law of universal gravitation, which statements are true? as we move to higher altitudes, the force of gravity on us decreases. as we move to higher altitudes, the force of gravity on us increases. as we gain mass, the force of gravity on us decreases. as we gain mass, the force of gravity on us increases. as we move faster, the force of gravity on us increases.