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Vertical springs and energy conservation | Work and energy | Physics | Khan Academy

In this video, David explains two different strategies to deal with vertical springs and compares them with those used for horizontal springs. Watch the next lesson: https://www.khanacademy.org/science/physics/work-and-energy/mechanical-advantage/v/introduction-to-mechanical-advantage?utm_source=YT&utm_medium=Desc&utm_campaign=physics Missed the previous lesson? https://www.khanacademy.org/science/physics/work-and-energy/hookes-law/v/lol-diagrams?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 … Read more

Short-run oil prices | Supply, demand, and market equilibrium | Microeconomics | Khan Academy

Thinking about what moves oil prices Watch the next lesson: https://www.khanacademy.org/economics-finance-domain/microeconomics/elasticity-tutorial/price-elasticity-tutorial/v/price-elasticity-of-demand?utm_source=YT&utm_medium=Desc&utm_campaign=microeconomics Missed the previous lesson? https://www.khanacademy.org/economics-finance-domain/microeconomics/supply-demand-equilibrium/oil-prices-tutorial/v/breakdown-of-gas-prices?utm_source=YT&utm_medium=Desc&utm_campaign=microeconomics Microeconomics on Khan Academy: Topics covered in a traditional college level introductory microeconomics 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 … Read more

Thermal energy from friction | Work and energy | Physics | Khan Academy

In this video David shows how the area under a Force vs. position graph equals the work done by the force and solves some sample problems. Watch the next lesson: https://www.khanacademy.org/science/physics/work-and-energy/work-and-energy-tutorial/v/work-energy-problem-with-friction?utm_source=YT&utm_medium=Desc&utm_campaign=physics Missed the previous lesson? https://www.khanacademy.org/science/physics/work-and-energy/work-and-energy-tutorial/v/work-as-area-under-curve?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. … Read more