The light of that star actually gives off

Aman throws a football straight into the air. as it rises, it slows down. which type of energy is the football gaining?

Apulley system is used to lift a 2,000 newton engine up a distance of 3 meters. the operator must apply a force of 250 newtons to the chain of the pulley system to lift the motor. to lift the engine 3 meters, the operator must pull a total of 30 meters of chain through the pulley system. what is the value of di?

Which pair of quantities includes one quantity that increases as the other decreases during simple harmonic motion?