4.) The diagram to the right is the orbit of a comet: A) Label the two focal points
B) Label the Perihelion
C) Label the Aphelion

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?

Sort the images based on whether there's a force of attraction or repulsion between the magnets shown. attraction repulsion