Prepare for the OGE with Umskul! Follow the link and write in the VK group messages — https://vk.me/umschphysoge ????????‍♂️ The lesson is taught by Maxim Korablyov, a physics teacher at the Umskul online school. Maxim's social networks ↓ Telegram: https://t.me/physicsisanywhere Vkontakte newsletter: https://vk.cc/ccNBcx Reviews of the lessons: https://vk.cc/8NN94o ???? To get a consultation, call the hotline — 8 800 300 63 24 ???? Subscribe to the channel, like and ring the bell so as not to miss new webinars! 0:00:00 — Start of the webinar, connection check, lesson plan 0:06:35 — The Changing Room course and information about it. Code word for recording 0:08:22 — Kinematics. Basic concepts of kinematics 0:16:26 — Uniform rectilinear motion 0:17:32 — Coordinate plane. Coordinate 0:20:53 — Velocity. Equation of motion 0:24:39 — Graphs of motion. Determining the path of a body traveled by the graph. Average speed 0:36:49 — Problem 1. Find the speed of the aircraft 0:40:32 — Acceleration. Rectilinear uniformly accelerated motion 0:46:47 — Determining the path by the graph V(t) 0:53:53 — Coordinate equation. Free fall 0:56:09 — Formula for displacement without time 0:57:44 — Problem 2. Find the braking distance of a tram 1:03:15 — Radian, characteristics of circular motion 1:21:19 — Problem 3. How many times has the centripetal acceleration of the body changed? 1:23:36 — Dynamics. Weight and support reaction force. Gravity 1:48:22 — Forces of friction, elasticity, and thread tension 1:56:52 — Problem 4. Find the coefficient of friction between the block and the surface 2:06:41 — Impulse. Relationship between impulse and force. Law of conservation of momentum 2:13:12 — Elastic and inelastic collisions 2:18:42 — Problem 5. Find the resulting momentum after a perfectly elastic collision 2:21:01 — Energy: kinetic and potential 2:24:08 — Potential energy of a spring, work, LSE 2:30:56 — Independence of the work of gravity from the trajectory of motion 2:32:36 — Problem 6. Determine the height at which the body was 2:38:36 — Power and efficiency 2:43:38 — Statics: Fixed and moving blocks, golden rule of mechanics 2:46:17 — Lever, moment of force, clockwise rule, equilibrium conditions 2:51:43 — Problem 7. Determine one of the forces applied to the lever 2:54:08 — Hydrostatics: density substances, pressure, hydrostatic pressure 2:56:35 — Pascal's law, atmospheric pressure and communicating vessels 2:59:25 — Hydraulic press 3:00:04 — Problem 8. What force should be applied to the small piston of a hydraulic lift? 3:03:11 — Archimedes' force. Problem 9 3:06:59 — Archimedes' law, the condition of floating bodies 3:07:58 — The law of universal gravitation and an important assumption 3:08:57 — Problem 10. Determine the force of gravitational interaction as the distance between bodies decreases 3:12:02 — Harmonic oscillations, characteristics of a sound wave, mathematical pendulum 3:21:31 — Thermodynamics: states of aggregation, types of phase transitions 3:24:41 — Types of heat transfer 3:29:04 — Thermal conductivity of a body. Formulas for calculating heat, specific heat capacity, specific heats 3:32:51 — Clausius's postulate and the heat balance equation 3:35:02 — Predbanik and Flash courses 3:39:25 — Electricity: electric charge, elementary charge, body charge 3:46:11 — Conductors and dielectrics, electroscope, charge conservation law, charge redistribution 3:53:23 — Problem 11. Two identical electrometers were charged and connected with a metal rod 3:54:26 — Charge carriers in metals, electric current and its characteristics 3:56:30 — Current strength, resistance of various materials, elements of an electric circuit, voltage. Ohm's Law 4:01:44 - Parallel and Series Connection, an Important Fact About an Electric Circuit 4:03:17 - Problem 12. Determine the Total Resistance of a Section of a Circuit 4:05:25 - Current Power, Joule-Lenz Law 4:07:06 - Problem 13. How Much Heat Will Be Released in a Soldering Iron? 4:08:13 — Magnetic field, magnetic induction vector, magnet 4:10:49 — Right-hand rule for a current-carrying conductor, for a current-carrying loop 4:13:32 — Lorentz force, left-hand rule for a particle, Ampere force, left-hand rule for a current-carrying conductor, Ampere law 4:18:12 — Electromagnetic radiation 4:19:42 — Optics: light, refraction and reflection of light, refractive index, total internal reflection 4:23:11 — Lens: converging and diverging lenses, rules for constructing images, types of images 4:38:16 — Thin lens formula, optical power of a lens 4:39:36 — Problem 14. At what distance from a converging lens should an object be placed to obtain its life-size image 4:40:36 — Nuclear physics: chemical foundations, periodic table 4:42:17 — Elementary particles, Thompson's atomic model, Rutherford's experiment and model 4:46:11 — Alpha, beta, gamma radiation, bombardment, radioactivity, decay 4:54:23 — Problem 15. Using the N(t) graph, determine the half-life of an elemen