A negatively charged rod is brought very close to a solid metal sphere which is connected to the Earth by a grounding wire. The grounding wire is cut and the negative rod is moved very far away. After all of this what true about the conductive metal sphere?

waves moving from a fast medium to a slow medium will experience a reflection as light travels more slowly than red light. total internal reflection occurs when the critical angle is.

the part of the wave he is travelling on is the crest

gas and liquid

firearm identification is the process of analyzing the bullets and cartridge cases left at a crime scene to determine if they came from a particular firearm. marks on the bullets and cartridges may be common to every firearm of that type. these are called class characteristics.