we compare and contrast concave and convex lenses by drawing ray diagrams and investigating the thin lens, magnification, and center of curvature equations. Physics in Motion is available to ...

With just an iPad, students in any classroom across the world could soon reimagine the ordinary diagrams in any physics textbook ... visualize topics to convey motion. "I was so frustrated ...

Two forces can be added together to find a resultant force. In the diagram of a toy trailer below, when two children pull on the handle, one with a force of 3 newtons (N) to the left and one with ...

115, No. 809 (July 2003), pp. 796-806 (11 pages) ABSTRACT We present the results of a search for cool subdwarfs for which our candidates were drawn from a V−J reduced proper‐motion diagram constructed ...