PPT-Chapter 3: Acceleration Physics: Principles and Problems

ACTPSAE practice Intro to acceleration What does it mean in common language What does it mean to a physicist Thats you First equation of acceleration A vt Standard unit for acceleration ms2. Chapter 2 UNITS AND MEASUREMENTS 4 hours Unitof measurement System of units SI units undamental and derived units Length mass and time measurements Accuracy and precision of measuring instruments rrors in measurement Significant figures Dimensions 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 Dimensional Analysis, Speed, Velocity, Acceleration and Free Fall. Review Outline:. Dimensional Analysis Problems (converting). What is speed?. Calculations using speed formula.. What is velocity? . Unit 9.2. m/s. 2. average acceleration. a = . D. v. D. t. 50 m/s – 25m/s. 4s – 2s. = . = . 12.5 m/s. 2. B. C. A. A. C. none. B. n. f. –. . n. i. t. f. –. . t. i. Practice. : A pool ball travelling at 2.5 m/s towards the cushion bounces off at 1.5 m/s. If the ball was in contact with the cushion for 0.20 s, what is the ball’s acceleration? (Assume towards the cushion is the positive direction.). 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. . Describe the speedometer on a car that is entering a highway, drives for 25 miles and then exits the highway.. Consider the two situations below. When a shuttle bus approaches a stop, the driver begins to apply the brakes to slow down 5.0 s before actually reaching the stop. The speed changes from 9.0 m/s to 0 m/s over time.. Section 1 . What is Physics. Chapter. 1. The Topics of Physics. Physics. is simply the study of the physical world.. Your goal in Physics is to use a small number of basic concepts, equations, and assumptions to describe the physical world.. Acceleration is a change in velocity. Speed or direction. Centripetal Acceleration. Acceleration can mean a change in direction, not just speed. Centripetal acceleration. Acceleration that occurs in a circular motion. Acceleration is a measure of . the change in velocity per unit of time. When the velocity of an object is changing, it is . accelerating. Negative acceleration: . slowing down. Positive acceleration: . Unit 9.2. m/s. 2. average acceleration. a = . D. v. D. t. 50 m/s – 25m/s. 4s – 2s. = . = . 12.5 m/s. 2. B. C. A. A. C. none. B. n. f. –. . n. i. t. f. –. . t. i. Practice. : A pool ball travelling at 2.5 m/s towards the cushion bounces off at 1.5 m/s. If the ball was in contact with the cushion for 0.20 s, what is the ball’s acceleration? (Assume towards the cushion is the positive direction.). 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 . The NIG Physics syllabus is divided into five sections which include;. Mechanics. Thermal Physics. Waves. Electricity and Magnetism. Atomic and Nuclear Physics. Electronics. NIG Syllabus . Khan Academy Resources. The Equation. Describe how you could measure the acceleration of a small vehicle as it runs down a slope in the laboratory.. TASK. Many different ways. https://www.youtube.com/watch?v=YUqwdD73610. There are different ways to measure acceleration here are a few.. Learn how to excel in AP Physics with this comprehensive guide. Explore essential concepts, study strategies, and resources to ace your AP Physics exam.