This webpage, from Hyperphysics, describes a pendulum and provides a formula for its period. The page includes a calculator to obtain the period from the pendulum's length and the acceleration of gravity.
This entertaining mini-lesson engages the learner in physical activity to explore the effects of a twisting force (torque) on rotational motion. By mimicking the motion of a skateboarder, learners gain an intuitive...
This website, containing information from the Sloan Digital Sky Survey, provides projects and activities for advanced astronomy students. In this particular one, the user retraces Edwin Hubble's steps to discover that...
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