What is the characteristic time constant of a 25.7 mh inductor that has a resistance of 3.82 ω?

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?

Argon, neon, and xenon are examples of

Frank just graduated from eighth grade. assuming exactly four years from now he will graduate from high school how many seconds does he have until his high school graduation