The stone ring of Callanish, Isle of Lewis, Outer Hebrides, Scotland. While the stones shown in the photograph are the most prominent and visually striking objects in the area, they are only one part of a large cluster of some twenty megalithic ruins wit
Someone from Clarksburg, West Virginia, US posted a whisper, which reads "I'm that person in the corner pretending to space out when I'm actually listening to every conversation around me within a ten yard radius.
This reference sheet is an easy way for students to remember key terms about the geometry of a circle such as area, circumference, diameter, radius, and pi. Great for a math binder or to print out as a classroom poster.
Angular velocity is equal to the circumference pi r) times the frequency; if whirling a mass around in a horizontal circle, can find the radius of the circle by (length of string x sinangle), then use the above equation