a brick is resting on a level, smooth surface. when a student applies a horizontal force of 5 n to the brick, the force of friction on the brick is also 5 n. which statement best describes the effect of these two forces on the brick?

A248-g piece of copper is dropped into 390 ml of water at 22.6 °c. the final temperature of the water was measured as 39.9 °c. calculate the initial temperature of the piece of copper. assume that all heat transfer occurs between the copper and the water. remember, the density of water is 1.0 g/m

What type of force holds atoms together in a crystal?

Which statement describes the formation of our sun? a disk formed of long trails of stars coiled into a spiral. it formed an elliptical flattened disk. heat and gases contracted within a nebula. gravity pushed stars away from a center core.