Two identical metal spheres are placed close to one another, One is given a large negative charge. The two are then connected by a wire. Use the idea of electric force to explain what happens next

both move a away from each other

Explanation:

The two metal spheres are identical and are both negatively charged thus repel one another

the cellphone, they would then know if the killer would have contacted them or always hated them. or if it was a breakup. but if that is not the case, then it would be the clothing. to put in a bullet, it would have to be put in by hands. hands have finger prints which, would have giving you the answer of who done it.

explanation:

i am pretty sure it is c because when people are closer together, they cannot move as freely. picture being in a mostly full elevator, for instance. the people are right next to you, and you can barely move.