At its peak, a tornado is 56.0 m in diameter and carries 390 km/h winds. What is its angular velocity in revolutions per second? X rev/s

Describe different biomes. what are some adaptations that organisms (plants or animals) must have to live in each biome?

Unpolarized light whose intensity is 1.19 w/ is incident on a polarizer. (a) what is the intensity of the light leaving the polarizer? (b) if the analyzer is set at an angle of = 41.0∘ with respect to the polarizer, what is the intensity of the light that reaches the photocell?

If the chemical properties of a substance remain unchanged and appearance or shape of a substance changes it is called a ?