PPT-Calculating Acceleration

Unit 92 ms 2 average acceleration a D v D t 50 ms 25ms 4s 2s 125 ms 2 B C A A C none B n f n i t f t i Practice A pool ball travelling at 25 ms towards the cushion bounces off at 15 ms If the ball was in contact with the cushion for 020 s what is the balls acceleration Assume towards the cushion is the positive direction. Energy Loss. WEATHERIZATION ENERGY AUDITOR SINGLE FAMILY. WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM . – December 2012. By attending this session, participants will be able to:. Define basic energy movement. . ,22.] Let us suppose that an object changes its velocity from 0 m/s to 50 m/s along some2;222 Energy,2 Energy,322,upward. Now consider an object that has an initial velocity 10 m/s upward and a final2 Optimiz. Objectives. At the end of this session you will . be able to :. State the DOT rules used to calculate a scheduled ETA in . Optimiz. State the Optimiz system default rules used to calculate a scheduled ETA . Galileo defined acceleration as the rate of change of velocity.. Formula!. a. = . Δ. v / t. Things that affect acceleration: . Speeding up. Slowing down. Changing direction. Time. Free Fall. When air resistance does not affect the motion of an object, then the object is in free fall.. 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.. Velocity and acceleration Measuring an objects motion speed Speed is calculated by dividing distance by time S = d/t 5.0 km/h 2.5 m/s 45 mph velocity Velocity is the same as speed, but you tell the direction of motion in the answer. 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: . V. ector quantity: . magnitude (value) & direction. R. ate . at which an object changes its velocity. . “. How fast an object is getting faster”. If the velocity of an object is changing, it is accelerating!. 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 . Smallcell. GW . Chen Wei. China Mobile. chenweiyj@chinamobile.com. Background on . MANO . descriptors. MANO . descriptors, . defined by ETSI NFV MANO as a group of information elements , which used as deployment templates in on-boarding VNFs and NSs. 3.2. 3.2 Acceleration. Think about a car at a stop light. When the light turns green, the car starts moving and the car’s velocity increased. The car began accelerating. Acceleration is the change in velocity divided by the time it took the change to occur. Get an . Ipad. , from my website click on Acceleration web notes on today’s calendar. Answer the following questions: . What . is acceleration?. Why is acceleration a vector quantity?. What does a position vs. time graph look like when showing changing velocity?.