Clockwise and Counterclockwise Directions, Newton, Perpendicular, Pivot, Elastic, and Spring
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Classified in Physics
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Course 2013:
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An extrasolar planet is a planet orbiting a star other than our Sun. There are two general ways of learning about a distant object: directly, which means by obtaining images or spectra of the object, and indirectly, which means by inferring the object’s existence or properties without actually seeing it. There are two major indirect approaches to finding and studying extrasolar planets:
Planets exert gravitational tugs on their star, causing the star to orbit around the system center of mass. Gravitational tugs: we can detect a... Continue reading "Discovering Extrasolar Planets: Methods and Significance" »
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Introduction
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Write your text here!Bernoulli's theorem, in fluid dynamics, relation among the pressure, velocity, and elevation in a moving fluid (liquid or gas), the compressibility and viscosity (internal friction) of which are negligible and the flow of which is steady, or laminar.
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Electrostatics is the branch of physics that studies the phenomena produced by charges that do not vary or move.
6th century BC: The Greeks discovered the electrical properties of amber. When rubbed, it could attract light objects.
18th century: Benjamin Franklin conducted experiments with different materials and observed that rubbed materials could either attract or repel each other.
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Good morning today we are going to present the evolution of soccer balls.
The superball was a soccer ball that consisted of a chamber composed of a valve that prevented the air from coming out and a seam from outside to inside that was invisible and without a flange. This ball was the first ball made without tiento
In Bell Ville, in the Argentine province of Córdoba between 1929 and 1931 Romano Polo, Antonio Tossolini and Juan Valbonessi conducted numerous tests and trials that culminated in the invention of the ball with an invisible tiento, a ball that continued to be used for a couple of years.
The superball was first used professionally in the same year of its invention... Continue reading "Evolution of Soccer Balls: From Superball to Jabulani" »
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The eventuality described in the VP ‘design the BMW Central Building” is [-static, +durative, +telic], thus an accomplishment. As shown in this example, it is compatible with the progressive, which emphasizes the progress of a [+durative] eventuality. Three diagnostics can be used to show that this event is an accomplishment, not an activity:
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1. How to Ask a Question?
2. Formulate a Hypothesis
3. Investigation Design (Experimentation)
4. Observe, Measure, and Collect Data
5. Analyze and Perform Results using data tables
6. Contrast Your Hypothesis
7. Share Results and Draw a Conclusion
Length: meter (m) Mass: kilogram (kg)
Time: second (s) Temperature: kelvin (K)
Area: square meter (m2) Volume: cubic meter (m3)
Speed: meters per second (m/s)
Acceleration: meters per second square (m/s2)
1 atm: 760 mmHg, 1013 mb, 101325 Pa