Where does the initial source of come from that creates winds? A - The Moon
B - The Earth’s Surface
C - The Sun
D - The rotation of Earth

Determine the amount of work done when a crane lifts a 100-n block form 2m above the ground to 6m above the ground

More solar radiation is absorbed by earth’s surface than by

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?