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physics
physics

... by a few special rules or laws that can be expressed in mathematical formulae. Newton’s combination of logical experimentation and mathematical analysis shaped the way science has been done ever since. In this section, we begin by examining kinematics, which is a study of motion without regard for t ...
magnetic field - Derry Area School District
magnetic field - Derry Area School District

... molecules. It is often used to separate isotopes, or atoms of different masses. • Actually, the masses of ions are measured since electric and magnetic fields have motional effects only on charged particles. (An ion is an atom or molecule with a net electric charge.) • Ions with a known charge (+q) ...
$doc.title

... the two masses. The force of gravity is always one of attraction. Mass characterises two different properties of an object -its resistance to changes in its velocity (inertial mass) and its gravitational interaction with other objects (gravitational mass). Experiments show that the two are proportio ...
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... Tevatron at Fermilab were rewarded on the 4th July 2012 when the announcement was made that the Higgs boson had been discovered The Higgs boson plays a unique role in the Standard Model, by explaining why the other elementary particles, except the photon and gluon, are massive. In particular, the Hi ...
Unit 2 Particles and Waves
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... Tevatron at Fermilab were rewarded on the 4th July 2012 when the announcement was made that the Higgs boson had been discovered The Higgs boson plays a unique role in the Standard Model, by explaining why the other elementary particles, except the photon and gluon, are massive. In particular, the Hi ...
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... A 4 F capacitor is charged by 200 V supply. It is disconnected from supply and connected to another uncharged 2 F capacitor. How much electric energy is lost by first capacitor? [2.67 x 10-2 J] A capacitor of 20 F and charged to 500 V is connected in parallel with another 10 F capacitor charged ...
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... to produce a non-uniform magnetic field directed radially toward the spike. A virtual cathode consisting of trapped electrons is located at the rear of the thrust chamber. An electric field exists between the anode and the virtual cathode. Positive xenon ions enter the thrust chamber at the anode an ...
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... A small dart of mass 0.020 kg is launched at an angle of 30° above the horizontal with an initial speed of 10 m/s. At the moment it reaches the highest point in its path and is moving horizontally, it collides with and sticks to a wooden block of mass 0.10 kg that is suspended at the end of a massle ...
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... Like mass, electric charge is a fundamental property of matter. The electron is considered as orbiting a nucleus, a core containing most of the atom’s mass in the form of proton and electrically neutral particle called neutrons. ...
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High School Introductory Physics MCAS Release Items Spring 2015

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Chapter 1 - Medical applications of physics

In a laboratory experiment, you wish to determine the initial speed of
In a laboratory experiment, you wish to determine the initial speed of

1.
1.

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... located as shown between two oppositely charged plates. The magnitude of acceleration will be greatest for the neutron, because it has the greatest mass neutron, because it is neutral electron, because it has the smallest mass proton, because it is farthest from the negative plate ...
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... regardless of mass. If all 300 million people in one country jump simultaneously from tables to the floor, then there are 300 million forces acting on the people, but the same acceleration acts on all of them. As scientists strive for Grand Unification Theories, it seems more rational to look for un ...
(scalar) field can produce real
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... “In our real world we could extract any amount of energy from vacuum if some technology provides at the same time the extracting of the same amount of energy for anti-world. Total sum value of energy is equal to zero.” Let’s note also that similar conception of “dynamical zero” was applied in ancien ...
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(DOC, Unknown)

Chapter 1
Chapter 1

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Anti-gravity

Anti-gravity is an idea of creating a place or object that is free from the force of gravity. It does not refer to the lack of weight under gravity experienced in free fall or orbit, or to balancing the force of gravity with some other force, such as electromagnetism or aerodynamic lift. Anti-gravity is a recurring concept in science fiction, particularly in the context of spacecraft propulsion. An early example is the gravity blocking substance ""Cavorite"" in H. G. Wells' The First Men in the Moon.In Newton's law of universal gravitation, gravity was an external force transmitted by unknown means. In the 20th century, Newton's model was replaced by general relativity where gravity is not a force but the result of the geometry of spacetime. Under general relativity, anti-gravity is impossible except under contrived circumstances. Quantum physicists have postulated the existence of gravitons, a set of massless elementary particles that transmit the force, and the possibility of creating or destroying these is unclear.""Anti-gravity"" is often used colloquially to refer to devices that look as if they reverse gravity even though they operate through other means, such as lifters, which fly in the air by using electromagnetic fields.
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