9. What force is felt on a person when they 'free-fall down a large roller
coaster hill?

The a metal retainer that keeps the rolling elements evenly spaced. n a. seal n b. separator n c. bearing n d outer race

We have a colorless transparent liquid. it looks like water. we seperated it into a solid and a liquid by evaporration and condention was this a chemichal or a physical seperation a. chemical seperation b. physical seperation

Write a full page that sumerizes thermodynamics it’s from the website visionlearnig