Doua corpuri foarte mici sunt incarcate cu sarcinile q 1 = 0,1µC si q 2 = 0,5µC. Cu ce forta se resping corpurile cand distanta dintre ele este
r = 2 cm ? Dar cand distanta este de 20 cm

In order to place a satellite into orbit, it requires enough fuel to supply the necessary mechanical energy. into what types of mechanical energy does the fuel get transformed?

At very high pressures, gases become and will eventually a) more dense; become hotter b) more dense; change to a liquid or solid c) less dense; combust d) less dense; turn into a liquid

Give an example of a collision in real life. use the law of conservation of energy to describe the transfer of momentum. be sure and discuss the momentum before and after the collision occurs. you will need at least 3 sentences to thoroughly answer this question.