365bet中国官方网站

  • word of the day

    rest mass

    rest mass - 365bet中国官方网站 definition and meaning for word rest mass

    Definition
    (noun) (physics) the mass of a body as measured when the body is at rest relative to an observer, an inherent property of the body

  • Word used in video below:
    text: call me mass mass that's a cool nickname
    Download our Mobile App Today