Which type of wall would make the best soundproofing for room? a. 1.0 centimeter thick glass b. two layers of 0.5 centimeter thick glass with 0.5 centimeters of air between them c. two layers of 0.5 centimeter thick glass with 0.3 centimeters of vacuum between them d. 1.0 centimeter thick steel

According to newtons universal law of gravitation, which would change the parh of the ball so it traces out widest curved path possible?

Which of these is not a possible type of energy transformation? a. electrical energy into light energy b. sound energy into nuclear energy c. potential energy into kinetic energy d. kinetic energy into mechanical energy

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?