Physics, particularly forces and motion, can be challenging. By observing everyday motion, conducting simple experiments, and understanding Newton's laws in plain language, the concepts become more ...

ABSTRACT We present the results of a search for cool subdwarfs for which our candidates were drawn from a V−J reduced proper‐motion diagram constructed by Salim & Gould. Kinematic (U, V, and W) and ...

THIS little work, in spite of its ponderous and somewhat ambiguous title, is a useful and workmanlike collection of curves from which may be obtained the value of the mean velocity v in the empirical ...