Using real GDP as a measure of actual productivity growth Watch the next lesson: https://www.khanacademy.org/economics-finance-domain/macroeconomics/gdp-topic/real-nominal-gdp-tutorial/v/gdp-deflator?utm_source=YT&utm_medium=Desc&utm_campaign=macroeconomics Missed the previous lesson? https://www.khanacademy.org/economics-finance-domain/macroeconomics/gdp-topic/GDP-components-tutorial/v/examples-of-accounting-for-gdp?utm_source=YT&utm_medium=Desc&utm_campaign=macroeconomics Macroeconomics on Khan Academy: Topics covered in a traditional college level introductory macroeconomics course About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content. ... https://www.youtube.com/watch?v=lBDT2w5Wl84 Note: All Khan Academy content is available for free at (www.khanacademy.org)

The second part to the complicated problem. We figure out the tension in the wire connecting the two masses. Then we figure our how much we need to accelerate a pie for it to safely reach a man's face. Created by Sal Khan. Watch the next lesson: https://www.khanacademy.org/science/physics/forces-newtons-laws/treating-systems/v/treating-systems-the-hard-way?utm_source=YT&utm_medium=Desc&utm_campaign=physics Missed the previous lesson? https://www.khanacademy.org/science/physics/forces-newtons-laws/tension-tutorial/v/tension-part-2?utm_source=YT&utm_medium=Desc&utm_campaign=physics Physics on Khan Academy: Physics is the study of the basic principles that govern the physical world around us. We'll start by looking at motion itself. Then, we'll learn about forces, momentum, energy, and other concepts in lots of different physical situations. To get the most out of physics, you'll need a solid understanding of algebra and a basic understanding of trigonometry. About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content. ... https://www.youtube.com/watch?v=52wxpYnS64U Note: All Khan Academy content is available for free at (www.khanacademy.org)

Fractional reserve banking and the multiplier effect. Introduction to the money supply. More free lessons at: http://www.khanacademy.org/video?v=nH2-37rTA8U https://www.youtube.com/watch?v=nH2-37rTA8U

Endergonic, exergonic, exothermic, and endothermic reactions. Watch the next lesson: https://www.khanacademy.org/science/biology/energy-and-enzymes/atp-reaction-coupling/v/adenosine-triphosphate?utm_source=YT&utm_medium=Desc&utm_campaign=biology Missed the previous lesson? https://www.khanacademy.org/science/biology/energy-and-enzymes/free-energy-tutorial/v/gibbs-free-energy-and-spontaneous-reactions?utm_source=YT&utm_medium=Desc&utm_campaign=biology Biology on Khan Academy: Life is beautiful! From atoms to cells, from genes to proteins, from populations to ecosystems, biology is the study of the fascinating and intricate systems that make life possible. Dive in to learn more about the many branches of biology and why they are exciting and important. Covers topics seen in a high school or first-year college biology course. About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content. ... https://www.youtube.com/watch?v=J2L-X2sUigs Note: All Khan Academy content is available for free at (www.khanacademy.org)