How would the amount of transmitted light change if the bottom medium was changed to glass instead of water?
A) It would increase
B)It would decrease

Which of the following is a true statement about the acceleration ~a of the pendulum bob ~a is equal to the acceleration due to gravity. ~a is perpendicular to the bob’s trajectory. ~a is equal to the instantaneous rate of change in velocity. ~a is tangent to the bob’s trajectory.