Basics of time dilation and length contraction. Where to Find and Download Tests

A massive library where teachers upload thematic tests and final year-end exams for free download.

A stone with a mass of 1 kg is thrown vertically upward. At the initial moment, its energy is 200 J. To what maximum height will the stone rise? (Neglect air resistance). Answer: 20 m (using

The photoelectric effect, atomic structure, and nuclear physics.