Answers about Physics > 자유게시판

When a potato chip, 온라인슬롯 or any other object, falls, it has Potential Energy (energy of position) which is converted during the fall to Kinetic Energy (energy of mot
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Physics








Is a car on a circular track has also constant velocity?

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Yes, IF it maintains constant speed on the track. The academic definition of velocity is speed and the associated direction, a vector. A car traveling in a circ
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Physics



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Will an airplane in horizontal flight when the thrust of the engine is equal to the drag of the air?

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No, it won't. If enough power to only overcome drag were produced by the engine, the plane would still descend (or never take off!). Drag on the airplane repres
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Physics








How do lasers use reflection for stronger beams?

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Physics








What Happens To Sound In Vacuum?

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Sound cannot travel through a vaccum due to the fact that sound travels using vibrations and there is nothing to vibrate in a vaccum. for example on earth there
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Physics








What m-word is defined as a device that changes sounds into electric current?

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microphone