What is the distance between the two distance (5,5) and (8,9) using Pythagorean thearm

The mantle is made up of which structural zones?

Which statement is true if the refractive index of medium a is greater than that of medium b? a. total internal reflection is possible when light travels from air to medium b to medium a. b. total internal reflection is possible when light travels from medium a to medium b. c. total internal reflection is possible when light travels from medium b to medium a. d. total internal reflection is possible when light travels from air to medium a. e. total internal reflection is possible when light travels from air to medium b.

What is the magnitude of the gravitational force acting on the earth due to the sun?