The tallest cliffs ever discovered in our solar system are located on Uranus’s moon Miranda (g=0.0772 m/s^2 ). If you were to drop a rock off of one of these cliffs, it would take 12 minutes to hit the bottom. a. How high is the cliff? b. What is the speed of the rock when it hits the bottom?

Why is rain likely when warm, moisture-laden air meets cold air? a) the lighter warm air will rise and cool down, causing condensation and rain. b) the cold air moves faster and pushes the warm air away, causing condensation and rain. c) the moisture in the warm air condenses on contact with the cold air, causing rain to fall. d) the cold air mixes with the warm air, reducing its temperature causing moisture to condense.