Q. The transamerica pyramid in san francisco is 853 ft tall with a square base that is 149 ft on each side. what is the volume to the nearest thousand cubic foot?
Q. Two free particles (that is, free to move) with charges +q and +4q are a distance L apart. A third charge is placed so that the entire system is in ?quilibrium. Find the location, magnitude, and sign of the third charge.