Use = 3 to identify the value of each expression
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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:

electric field is a function of 1/r^2

yes, the force per unit charge for a point charge is inverse square law.

god i hope this !