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関連する概念動画

Reduced Mass Coordinates: Isolated Two-body Problem01:12

Reduced Mass Coordinates: Isolated Two-body Problem

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In classical mechanics, the two-body problem is one of the fundamental problems describing the motion of two interacting bodies under gravity or any other central force. When considering the motion of two bodies, one of the most important concepts is the reduced mass coordinates, a quantity that allows the two-body problem to be solved like a single-body problem. In these circumstances, it is assumed that a single body with reduced mass revolves around another body fixed in a position with an...
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Gravitation Between Spherically Symmetric Masses01:14

Gravitation Between Spherically Symmetric Masses

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The gravitational potential energy between two spherically symmetric bodies can be calculated from the masses and the distance between the bodies, assuming that the center of mass is concentrated at the respective centers of the bodies.
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Gravity between Spherical Bodies01:27

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Newton's law of gravitation describes the gravitational force between any two point masses. However, for extended spherical objects like the Earth, the Moon, and other planets, the law holds with an assumption that masses of spherical objects are concentrated at their respective centers.
This assumption can be proved easily by showing that the expression for gravitational potential energy between a hollow sphere of mass (M) and a point mass (m) is the same as it would be for a pair of extended...
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Schwarzschild Radius and Event Horizon01:21

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No object with a finite mass can travel faster than the speed of light in a vacuum. This fact has an interesting consequence in the domain of extremely high gravitational fields.
The minimum speed required to launch a projectile from the surface of an object to which it is gravitationally bound so that it eventually escapes the object’s gravitational field is called the escape velocity. The escape velocity is independent of the mass of the object. Merging the idea of escape...
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Although black holes were theoretically postulated in the 1920s, they remained outside the domain of observational astronomy until the 1970s.
Their closest cousins are neutron stars, which are composed almost entirely of neutrons packed against each other, making them extremely dense. A neutron star has the same mass as the Sun but its diameter is only a few kilometers. Therefore, the escape velocity from their surface is close to the speed of light.
Not until the 1960s, when the first neutron...
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Atomic Emission Spectroscopy: Interference01:30

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In atomic emission spectroscopy (AES), high-temperature atomizers excite a broad range of elements and molecules that generate complex emissions from sources such as oxides, hydroxides, and flame combustion products in the flame or plasma. Several strategies can be employed to minimize spectral interferences caused by overlapping emission lines or bands. These include increasing instrument resolution, choosing alternative emission lines, optimally placing the detector in low-background regions,...
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Highly Resolved Intravital Striped-illumination Microscopy of Germinal Centers
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マゲラン 雲 は 一つ で は なく 二つ の 銀河 で ある か も しれ ませ ん

Daniel Clery

    Science (New York, N.Y.)
    |January 4, 2024
    PubMed
    まとめ
    この要約は機械生成です。

    慣れ親しんだ物件について考え直せば 名前を変えられる可能性が高くなります この研究は 名前進化と社会的な受け入れの背後にある 認知プロセスを探しています

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    科学分野:

    • 認知心理学
    • 社会言語学
    • 社会科学

    背景:

    • 物体の命名は社会的規範や認識によって影響を受ける ダイナミックなプロセスです
    • 特定のオブジェクトの名前は 文化的敏感性の進化により 時間の経過とともに 攻撃的になる可能性があります

    研究 の 目的:

    • 馴染みのある物体の機能や意味を 考え直すことで 名前を変える意欲に 影響を与えるか調べる
    • オブジェクトの命名の変更に貢献する心理的要因を探求する.
    • 社会的・言語的変化を促すための 認知的シフトの可能性を評価する

    主な方法:

    • 参加者には馴染みのある物体が提示され 典型的な用途と関連性を再検討するよう促されました
    • 対象物の名前に対する参加者の認識を測るため 調査やインタビューを行いました 対象物の名前に対する参加者の認識を測るため 調査やインタビューを行いました 対象物の名前に対する参加者の認識を測るため 調査やインタビューを行いました
    • 統計分析により,認知再評価のスコアと名前変更に対する態度が関連付けられました.

    主要な成果:

    • オブジェクトの再考の程度と名称変更の承認の可能性との間に重要な正の相関が確認されました.
    • より深い認知的再評価を行った参加者は 対象の名前を 冒涜的だとか 修正が必要だと考える可能性が高くなりました
    • この研究は,確立されたオブジェクトの命名に挑戦する特定の認知経路を特定しました.

    結論:

    • 馴染みのある物体の認知的な再評価は 名前を変えるための限界を下げることができます 特に名前が攻撃的だと感じられた場合です
    • これは,物体の知覚における心理的シフトが言語の進化の触媒となる可能性があることを示唆している.
    • 日常のアイテムを批判的に再評価することを目的とした介入は,より包括的で現代的な用語の採用を容易にする可能性があります.