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Stratiform precipitation has two important subtypes that both satisfy 1 but are physically and dynamically distinct An active stratiform region is defined for which the air motion is overall upward. …from linear theory of circular, convective cells in a sheared environment, covariance of vertical velocity and vertical . vorticity. is proportional to the storm-relative environmental . helicity. A demo. http://www.youtube.com/watch?v=mrKLJjx9VT8. Motion in a Vertical Circle. Consider the forces on a ball attached to a string as it moves in a vertical loop.. As with any object moving in a circle there is a net force acting towards the center of the circle.. Are we moving right now?. You BET! . 460 m/s. 1670 km/. hr. 1070 miles per hour!!. In a train, looking out….. Outside a train, looking in.. Why it can be important. June 1, 2009 – Air France flight 447 disappeared without warning. Theories of motion. Aristotle was a Greek philosopher who lived in the 4. th. century BC.. Aristotle explained the behaviour of a falling body by saying that its speed depended on how much earth element it contained. . What’s . Special About Perception?. Visual perception important for survival. . Likely optimized by evolution. at least more so than other cognitive abilities. Human visual perception outperforms all modern computer vision systems.. What is . vorticity. ?. Many meteorological web sites include some form of . vorticity. contours on the 500-mb charts. Why. ? How does having contours of vorticity help a meteorologist understand the atmosphere. A demo. http://www.youtube.com/watch?v=mrKLJjx9VT8. Motion in a Vertical Circle. Consider the forces on a ball attached to a string as it moves in a vertical loop.. As with any object moving in a circle there is a net force acting towards the center of the circle.. Tennis ball. Golf ball. Football. Softball. Soccer ball. Bullet. Hockey puck. Basketball. Volleyball. Arrow. Shot put. Javelin. These are all examples of things that are . projected. , then go off under the . The closer an object is to you, the larger it appears. How long are the lines on the road?. . When asked to guess the length of the . lines. from memory, most answered 2 feet. . The real answer is 10 feet.. Physics. Coach Taylor. Broad Run High School 2010-2011. Objectives. Recognize that the vertical and horizontal motions of a projectile are independent.. Relate the height, time in the air, and initial vertical velocity of a projectile using its vertical motion, then determine the range.. Relative motion. Projectile motion. Newton's laws of motion. Questions?. Sessions setup. Mondays: Review and preview with PowerPoint outline. Tuesdays: Worksheets and open for in-session questions. Wednesdays: Worksheets and open for in-session questions. © 2015 Pearson Education, Inc.. Relative Motion. Amy, Bill, and Carlos are watching a runner. . The runner moves at a different velocity relative to each of them. . © 2015 Pearson Education, Inc.. Relative Velocity. Mechanics – the study of how objects move and respond to external forces. Kinematics – study of motion with no concern for the cause. Motion. Perceiving motion is instinctive. —. . your . eyes pay more attention to moving objects . Problems will be solvable using the equations of uniform acceleration. . .  . Projectile motion. This section is devoted to understanding the motion of projectiles. A projectile is an object upon which the only force acting is gravity.