MTN Learn Physical Sciences Grade 12 radio support notes MINDSET LEARN XTRA GRADE 12 PHYSICAL SCIENCES RADIO BROADCAST NOTES CONTENTS Introduction ................................................................................................................ 3 Broadcast Schedules ................................................................................................ 5 Preparing for Examinations ..................................................................................
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difference between speed and velocity is that Velocity also includes a direction the acceleration of gravity on earth is approximately 10m/s2 if you drops rock from a tall building‚ about how fast will it be falling after 3 seconds? 30m/s Momentum is defined as Mass time’s velocity suppose you live on the moon. Which of the following would be true? Your weight would be less than your weight on Earth‚ but your mass would be the same as it is on Earth. In which of the following would
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This page is intentionally left blank. The Universe is Only Spacetime Particles‚ Fields and Forces Derived from the Simplest Starting Assumption John A. Macken Santa Rosa‚ California john@onlyspacetime.com Original Draft – February 2010 Revision 7.0 – January 2013 ©2010‚ 2012 i Dedication: I dedicate this book to my wife‚ Enid‚ who has encouraged me and tolerated my idiosyncrasies over the years. Acknowledgments:
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Content Outline for Physical Sciences Section of the MCAT GENERAL CHEMISTRY ELECTRONIC STRUCTURE AND PERIODIC TABLE A. Electronic Structure 1. Orbital structure of hydrogen atom‚ principal quantum number n‚ number of electrons per orbital 2. Ground state‚ excited states 3. Absorption and emission spectra 4. Quantum numbers l‚ m‚ s‚ and number of electrons per orbital 5. Common names and geometric shapes for orbitals s‚ p‚ d 6. Conventional notation for electronic
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and a is the acceleration of the object. Newton’s third law (collision): When one body exerts a force on a second body‚ the second body simultaneously exerts a force equal in magnitude and opposite in direction to that of the first body. Linear Momentum And Friction Physical quantities that have a magnitude and a direction in space are described by vectors. Velocity is speed and direction. Acceleration is increase in speed. Linear momentum (p) of a single particle (point-like object) in vector
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1-6. 1-7. 1-8. 1-9. 1-10. 1-11. Motion in One Dimension Vectors Motion in Two Dimensions Laws of Motion and Force Vectors Applications of Force Work‚ Energy‚ and Power Oscillations Linear Momentum and Collisions Circular Motion and Gravity Introduction to Rotation and Torque Rotation‚ Rolling‚ and Angular Momentum B and C course B and C course B and C course B and C course B and C course B and C course B and C course B and C course B and C course B and C course C course only 1 1 5 7 9 13 19 25
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Name_______________________________________Period______Date_________________________ Unit 3 and Unit 4 Quiz 1.How is weight calculated? __mxg_________ Would your weight be the same on earth as it is on the moon? __no____ 2.What units do we measure mass in? ____kg_________ Would your mass be the same on earth as it is on the moon? __no______ 3. Label the forces shown in the free-body diagram above. 5800N friction‚ 775N applied force‚ 14700 N gravity‚ 13690 N normal
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Gravitation Gravitational field strength at a point is defined as the gravitational force per unit mass at that point. Newton’s law of gravitation: The (mutual) gravitational force F between two point masses M and m separated by a distance r is given by F = | GMm | (where G: Universal gravitational constant) | | r2 | | or‚ the gravitational force of between two point masses is proportional to the product of their masses & inversely proportional to the square of their separation. Gravitational
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labquest. The collection button was pressed and then an egg was dropped through the pipe‚ one at a time. After the eggs broke‚ the final velocity and force were recorded. This process was repeated for 29 more eggs. Subsequently to testing‚ the momentum was calculated by using the equation
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even worse to see it happen. Little children don’t know what they are supposed to do when they see a person coming at them‚ so they freeze in fear. The skateboarder/roller-blader/biker aren’t able to stop their forward motion‚ thus resulting in a collision. It is nobody’s fault but the parent’s for letting their young ones go play at the skate park. Of course the kid is happy playing at the park‚ until he is crying and in pain. No child should undergo this suffering and trauma. One day‚ a dad
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