Ascientist has a container filled with carbon dioxide gas. the particles of this gas are far apart, moving quickly, and bouncing off the container walls. then the particles slow down and collect at the bottom of the container, such that they are close together and vibrating in a rigid structure.
what caused this change?

Aman does 500 j of work pushing a car a distance of 2 m. how much force does he apply? assume there is no friction. a. 250 n b. 1000 n c. 125 n d. 500 n

Explain vector addition, triangle method and parallelogram method

The speed of sound in ice, water, and steam is shown. what best explains the speed of sound in different states of matter? sound travels fastest in ice because energy is easier to transfer when the molecules are close together. sound travels slowest in steam because the sound has to move around the gas molecules that are far apart. sound travels fastest in ice because the temperature of solids is always greater, so the heat transfers the sound energy. sound travels slowest in steam because the pressure is so great the sound cannot travel though the steam particles.