Aperson was into a room that has, on opposite walls, two plane mirrors producing multiple images. find the distances from the person to the first three images seen in the left hand mirror, when the person is 7.30 from the mirror on the left wall and 11. it from the mirror on the right wait

Diego is trying to lift a piano to the second floor of his house. diego uses a pulley system and gives a big lift to the piano.the piano moves upward, then stops, and then it starts to fall to the ground. which list best describes the forces on the piano in the proper order? positive force → balanced force → negative force negative force → balanced force → positive force positive force → unbalanced force → negative force negative force → unbalanced force → positive force