A 12.0 kg green toy car cruises left at 4 m/s and hits a 6.0 kg blue toy car moving the opposite direction at 2 m/s. The

blue car bounces at 1 m/s. What was the velocity of the

green car?

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?