Am object is placed 40cm from converging Lens of focal length 25cm if a real images which is 5cm high is formed calculate the height of the object?​

When you turn on a battery-operated device, an electrical circuit is

Often called simply "velocity," this is the velocity of an object at a particular moment in time.

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