When you are paddling a canoe, you push the water backwards with your paddle, which in turn will push you forward. which law of motion is being described in this scenario?
a. law of inertia
b. newton's second law of motion
c. newton's third law of motion
d. newton's first law of motion

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.