A metal sheet of cron has an area of 2cm? at a temperature of 15°C. if it is heated to a temperature of 85°C, what will be its final area at 85°C, what will be its final area at 85C7 (B=
2.4x10-51/co)

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?

What is an electric motor? explain its operation. 2-3 sentence

"if the pressure acting on an ideal gas at constant temperature is tripled, its volume isa) reduced to one-third.b) increased by a factor of three.c) increased by a factor of two.d) reduced to one-half"