Aparticle is in uniform circular motion about the origin of an xy coordinate system, moving counter-clockwise with a period of 6.50 s. at one instant, its position vector (from the origin) is r with arrow = (6.00 m)i hat − (6.00 m)j. at that instant, what is its velocity in unit-vector notation?

The graph shows the federal budget from 1980 to 2010. in which period did the federal budget show the greatest deficit? 1980 to 1990 1980 to 2000 1990 to 2000 2000 to 2010

Nami conducts an investigation on plants. she places a grow light on a timer to give the plants different amounts of light to see if this would affect their growth. in this investigation, the amount of light is the .

Which of these best describes the function of a "super pac"? a)create bi-partisan legislation that can become law b)organization meant to reign-in spending of political candidates during election cycles c)promote the interests of supreme court justices without breaking specific tampering laws d)raise funds through donations from corporations or individuals to support or oppose specific political candidates