6. A ball is thrown straight horizontally from a cliff with a speed of 18 m/s. It lands 45 meters from the base of the cliff. a. What is the height of the cliff? b. What is the horizontal component of the ball's velocity as it reaches the ground? c. What is the vertical component of the ball's velocity as it reaches the ground? d. What is the magnitude of the ball's velocity as it reaches the ground?

What is magnetic flux? explain faraday's law of induction.

Abowling ball rolling down the lane toward the pins has gravitational potential energy. a. no b. a lot of c. a little

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.