Physics
Physics regards the physical aspects of the natural world. It includes topics that deal with forces on different bodies within the universe and phenomena that explain how the universe works.
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Individuals firing missiles will use Projectile Motion equations to determine where the missile will hit, so they can fire them...
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The vertical acceleration is caused by gravity.
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"Quality" can either mean: a. Fitness for a particular purpose. There is no general correspondence between this and a...
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For most practical purposes, they do. However, air resistance can greatly affect the acceleration of objects in freefall. Also,...
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If the burning gases go out in one direction, the spacecraft accelerates in the other direction.
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There are three known massless particles. Gauge bosons, gluons, and photons.
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its 27 BoP easy.
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1,000 ohms and 3,000 ohms in series = total effective resistance is (1,000 + 3,000) = 4,000 ohms. Power dissipated = I2 R. I...
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Gravitational force is the smallest when you are the furthest away from a mass.
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it could be said that since potential energy (mgh) is lost at the exact rate kinetic energy (ke) is gained, that energy is...
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The first way is graphical: draw the vectors head to tail and draw a new vector with a tail having the same tail as the first...
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A plane doesn't move "at 250 miles"; probably you mean "miles per hour". Convert that to meter/second, then multiply the mass...
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white
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You call it a "25N object". Where did it get that label ? It must be becausewhen it's down on land, not freely falling, and you...
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Think of the names. Watt. Kilowatt hour. A kilowatt is 1000 watts. Multiply 250 watts by (1 kilowatt/1000 watts) , so you have...
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Yes. In air, sound travels at about 300 or 330 meters/second (it varies, depending on the temperature - also, sound in water or...
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Normally, protons are located in the nucleus* of atoms. * Atom nuclei are located in the exact center of atoms. Neutrons, when...
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It soaks into the black fabric, stone, liquid, mud, paint, wood ... whatever absorbs the light and looks black ... then it turns...
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That's not the case at all. A moment's thought will show you why that's impossible ... no 2-way link could work if that were the...
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Newton's third law states that a body will continue in a state of rest or uniform motion in a straight line unless it is acted on...
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Every spectrum of light can be absorbed with the right materials.
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Nuclear Fusion is when light atoms like hydrogen and helium fuse. Nuclear Fission is when heavier, radioactive, and unstable...
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maybe: the force continues to be applied, even as the object accelerates
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On October 14, 1947, Air Force Captain Charles E. "Chuck" Yeager became the first to break the sound barrier while flying the...
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Because the solution has free electrons that can bounce around when kicked by another electron. Flow of electrons = electricity
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Vectors have a direction associated with them, scalars do not.
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Physics has become more and more important as sports has developed, particularly in recent years. Top athletes like Michael...
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Sound wave is a mechanical wave. It means that, for propagation, it badly needs a material medium. But, light waves are not...
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The tension at every point in the rope must be 20N, and it must exert 20N ofupward vertical force on the top of the bag. If...
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The known health effects of infrared radiation include blindness and other damage to the eyes.
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