You are an astronaut in space far away from any gravitational field, and you throw a rock as hard as you can. The rock will:

slowly slow down and stop

continue at the same speed forever

continue to accelerate at the rate it was when it left your hand

PLZ HELP QUICKLY!

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.