Lesson 3 (2D Motion & Kinematics) of Dianna's Intro Physics Class on Physics Girl. Never taken physics before? Want to learn the basics of physics? Need an AP Physics 1 review before the exam? This course is for you! Exercises in this video: Problem 1 You’re jumping off a 10m high cliff with an initial horizontal velocity of 2m/s. Some rocks extend 1m out at the base of the cliff. Will you clear the rocks? By how much? Problem 2 Kick a ball at a speed of 20m/s at an angle 37º above the ground. a. How long is the ball in the air? b. How far away is the ball when it lands? c. How high did the ball go? Problem 3 Juliet throws an egg at Romeo’s window. The bottom of the window starts 6m above the ground, and the window itself is 1m tall. The egg leaves Juliet’s hand 1 m above the ground, traveling 30m/s at an angle of 60º with respect to the ground. Does she hit the window? Executive Producer/ Host/ Writer: Dianna Cowern Lead Writer & Course Designer: Jeff Brock Producer: Laura Chernikoff Video Editor: Spenser Reich Researcher/Editor: Sophia Chen Videographer: Levi Butner Production Assistant: Hope Butner Set Design: Lauren Ivy Curriculum Consultants Lucy Brock & Samantha Ward Consulting Producer: Vanessa Hill Curriculum Consultant: Andy Brown Skate Videographer: Darren Dyk Consultant: Kyle Kitzmiller Illustrator: Aleeza McCant Transcription: Alicia Cowern & Cathy Cowern