Consider a box sitting in the back of a pickup. the pickup accelerates to the right, and because the bed of the pickup is sticky, the box does not slide around the truck when this happens. what direction is the force acting on the box due to the truck?

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.