is the change in gravitational potential energy of a stone that falls to the ground different from that of a stone that is thrown to the ground

Describe the path of a ray that approaches a mirror parallel to the principal axis.

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.

The applied force of 3 washers will increase the applied force on the car to n.