calculate the speed at which a material point moves evenly along a circle of radius 100 cm by accelerating 1 m / s.

Um vetor representa um deslocamento cujo módulo é 20 m. se v faz um ângulo de 60 graus com a horizontal, qual é o valor das componentes horizontal e vertical deste vetor?

At very high pressures, gases become and will eventually a) more dense; become hotter b) more dense; change to a liquid or solid c) less dense; combust d) less dense; turn into a liquid

J. j. thomson’s experiment disproved the theory that an atom