Abraham uses a lever to try to lift a huge rock. The rock weighs 2000 N, and Abraham is able to lift the rock using a force of 220 N. The fulcrum is 5 ft from Abraham. The rock is 0.5 feet from the fulcrum. What is the effort distance?

Aray of light traveling parallel to the principal axis of a concave mirror will be reflected through the mirror's

The experiment was repeated many years later but the gases were mixed in a different type of container. a white solid was obtained which was xenon fluoride. predict whether you think 1) krypton and 2) radon will react with fluorine. explain reasons for your predictions

This is really important 1.which of the following prefixes represents the largest value? (2 points)gigahectorkilomilli2.which of the following types of graphs is best for plotting the mean, median, and mode of data? (2 points)bar graphbox-and-whiskercircle graphstem-and-leaf