Hurry i'm being timed on a roller coaster, describe the kinetic and potential energy of the car at the top of the first hill, the bottom of the first drop, and later in the ride. what effect does friction have on the car throughout the ride? enter your answer in the space provided

Imagine that you have two balloons (or, better yet, actually inflate two balloons, if possible). create static electricity around one of the balloons by rubbing it against your hair or your sweater and then bring that balloon close to the other balloon, which has not been charged. try this with at least one other object—and for variety in the discussion, avoid using an object already described by your classmates. then, for your initial post to the discussion, answer the following questions: what happened with the two balloons?

Which governments provide garbage collection services to homes and businesses

What component of earth’s atmosphere exists entirely as a result of photosynthesis?