Hello all, just started taking physics 30, or pyhsics 12 and need some help with two questions. Any help is appreciated. 1. A frictionless incline with a vertical rise of 4.0m and a slope of 9.0m is used to slide a box from the 4.0m height. If the box starts from rest at the top of the incline what is its speed at the bottom. 2. A 1.0m pendulum is raised to a 0.25m height above the equilibrium position. What is the speed of the pendulum bob as it passes through the equilibrium position. Yea probably easy questions and supposed to be review but having a hard time with them, lol. Thanks for any help.