The index of refraction of halite, or rock salt, is 1.54. What is the speed of light in that mineral?

Asubmarine has a "crush depth" (that is, the depth at which water pressure will crush the submarine) of 250 m. what is the approximate pressure (water plus atmospheric) at this depth? (recall that the density of seawater is 1025 kg/m3, g = 9.81 m/s2, and 1 kg/(ms2) = 1 pa = 9.8692 10-6 atm.) a. 34.8 atm b. 24.8 atm c. 25.8 atm d. 7.8 atm

What is the average speed of a car that travels 40mph for 1 hour and 60 mph in another hour will mark brainliest

Wind and moving water provide energy. question 1 options: chemical mechanical thermal none of the above