In which scenario is the least amount of work done on a crate? A force of 120 N moves it 25 m.
O A force of 115 N moves it 26 m.
O A force of 130 N moves it 22 m.
O A force of 125 N moves it 27 m.

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.