Calcula las magnitudes de la velocidad angular y lineal de una partícula que gira con un periodo de 1.77 s., si su radio de giro es de 0.75 m.

What type of electromagnetic wave is used in security pens? a. x-rays c. microwaves b. visible light d. ultraviolet radiation select the best answer from the choices provided

The of a machine determines its "usefulness." a. input force b. output force c. mechanical advantage

Two polarizers are oriented at 40∘ to each other and plane-polarized light is incident on them. if only 16 percent of the light gets through both of them, what was the initial polarization direction of the incident light?