You’re still in a redecorating mood and want to move a 35kg bookcase to a different place in the living room. you exert 58 n on it which makes it move at 0.12 m/s^2. find the coefficient of kinetic friction between the bookcase and the carpet

Several mountains together form a mountain . a few of these combined form a mountain system. several systems combined form a mountain , which can stretch thousands of miles in length.

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?

Why does lightning travel from clouds to the ground?