13. A person performs the following experiment to measure the acceleration of an elevator. He takes a weighing machine, keeps it on the floor of an elevator. He records his mass as 50 kg when the elevator is at rest. He continues to stand on the machine and then starts the elevator, which begins to move down. He records his mass to be 48 kg during the downward acceleration of the elevator. From this observation, calculate the acceleration of the elevato
Comments
Leave a comment