HELP PLZ AND THANK U A system with one fixed and one movable pulley operates with 90% efficiency. The movable pulley has a weight of 5 N. Using this pulley system, what is the minimum input force needed to lift a piano weighing 1,595 N?

Energy is the ability to do work which measures what

From center station, a train departs every 30 minutes on the fast line and a train departs every 50 minutes on the state line. if two trains depart from center station at 8: 00 a.m., one on each of the two lines, what is the next time that two trains, one on each line, will depart at the same time?

Connie has $660,000 she wants to save. if the fdic insurance limit per depositor, per bank, is $250,000, which of these way is distributing her money between three banks will guarantee that all of her money is insured ?