PPT-On the Acceleration of O

ur U niverse and the Effects of I nhomogeneities Akihiro 　 Ishibashi 　 RESCEU Symposium Nov 14 th 2008 Cosmophysics IPNS KEK 　 Introduction Distant SNeIa. Time Ti me s ec onds Acceleratio m eterssec2 brPage 7br JMP Acceleration in Human Terms Acceleration in Human Terms What are some g reference points Description g level brPage 8br JMP Whats the point Whats the point Why measure acceleration brPage 9 What Is Motion?. Motion. is when an object changes place or position. To properly describe motion, you need to use the following:. Start and end position?. Movement relative to what?. How far did it go?. and . Centripetal Force. Acceleration. Speeding up. Slowing down. Changing direction. . Think of spinning an object on the end of a string. How would you describe it to someone?. The easiest thing to say is that it moves in the shape of a circle.. When a Falling Object Accelerates Only Due to Gravity, We Call This…. . Free Fall. Knowing What We Know Now. Why does a brick with twice the amount of mass as another brick not fall twice as fast? . Erik Adli (University of Oslo). For the FACET E200 collaboration. CLIC Beam Dynamics meeting. CERN, Sep 5 2012. Introduction. 2. Beam-driven plasma-wake field acceleration. Principle of beam-driven plasma-. The pitcher throws. The ball speeds toward the batter. Off the bat it goes. It’s going, going, gone! A home run!. Before landing, the ball went through several changes in motion. It sped up in the pitcher’s hand, and lost speed as it traveled toward the batter. The ball stopped when it hit the bat, changed direction, sped up again, and eventually slowed down. Most examples of motion involve similar changes. In fact, rarely does any object’s motion stay the same for very long.. What Is Motion?. Motion. is when an object changes place or position. To properly describe motion, you need to use the following:. Start and end position?. Movement relative to what?. How far did it go?. Physics. Turning:. Turning counts as a form of acceleration because the direction of the velocity vector changes.. Turning requires a force that is perpendicular to the current motion of an object.. Minds-On. *this slide is not intended to be shown. in class. Materials: 2 sheets of paper, 1 rubber ball.. Demo: Take 2 identical sheets of paper. Show students they are identical. Crumple one sheet into a ball. Hold out the . in a Developing Turbulence. . Shuichi M. ATSUKIYO. . ESST Kyushu Univ.. Collaborator : T. . Hada. Outline . Background. -- motivation. -- acceleration processes in turbulent plasmas. -- parametric instability (PI). PHYS 243. Giancoli. , Sec 2-1, 2, 3, 4. © . 2011, . B.J. . Lieb. Analysis of a Race. All distances measured from starting line.. Time measured by a stopwatch from sound of gun.. Initial speed will be zero. . Chapter Goal: To extend the description of motion in one dimension to include changes in velocity. This type of motion is called . acceleration. .. © 2015 Pearson Education, Inc. . Chapter 3: Acceleration. Bell Ringer 11-7-13. Compare and Contrast Speed, Velocity and Acceleration. is the speed of an object in a particular direction. MYP Unit Question: What Moves YOU!!. Area of Interaction: Human Ingenuity. What is acceleration?. If you’re traveling in a car at a constant speed of 50 mph, are you accelerating?. No, you’re not. . Acceleration is the rate of change of velocity. . Acceleration. In order for acceleration to occur, velocity MUST be .