Find the center of mass (in cm) of a one-meter long rod, made of 50 cm of brass (density 8.44 g/cm3) and 50 cm of copper (density 8.92 g/cm3). (Assume the origin is at the midpoint of the rod, with the positive direction towards the part of the rod made of copper. Indicate the direction with the sign of your answer.)

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:

1 - wave length

2 - amplitude

3 - crest

4 - trough

explanation:

duh.

the answer would most likely be c, because if it's a comical piece of information, it may likely not be true, if it's a site that allows anybody to edit the content, it could mean a five year old is typing the info, and if it's a tv show produced by a celeb, it may have a biased opinion.