The detector has 2000 x 2000 pixels. What is the minimum angular separation between two stars in the cluster that can be resolved with this observing system if we ignore the effects of diffraction and the Earth's atmosphere?

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? a.positive force, balanced force, negative force b.negative force, balanced force, positive force c.positive force, unbalanced force, negative force d. negative force, unbalanced force, positive force