Light reflects off many objects. Which model of light behavior best helps explain this effect7(2 points) оа
Particle model
b
Wave model
Ос
Magnetic model
Od
Electric model

Acoil suspended freely, points in some direction when no current is passed through it . can you tell what will happen when a current is passed though it?

He latent heat of vaporization for ethyl alcohol is 854 j/g. the amount of energy, rounded to the nearest whole number, needed to change 5.20 grams of ethyl alcohol from a liquid to a gas is

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