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IP2.6.4 Drawing velocity-time graphs © Oxford University Press 2011 Drawing velocity-time graphs
IP2.6.4 Drawing velocity-time graphs © Oxford University Press 2011 In the same way that you can record an object’s distance at different times, you can also record an object’s velocity at different times. You can plot this data on a velocity–time graph. Time is usually plotted on the x-axis and velocity on the y-axis. The velocity is plotted at different times and the graph can then tell you whether the object is moving forwards or backwards, at what speed and whether it is speeding up or slowing down.
IP2.6.4 Drawing velocity-time graphs © Oxford University Press 2011 This velocity-time graph shows the velocity at different times for a train travelling on a track between two stations. If the object is going steadily faster, the velocity is steadily increasing, and the graph shows a straight line sloping upwards. If an object is moving at a steady (constant) velocity, the line on the graph is horizontal; the velocity is not changing. The greater the velocity the higher the horizontal line. If the object is slowing down steadily, the velocity is steadily decreasing, and the graph shows a straight line sloping downwards. If the object moves backwards, the velocity is negative, and so those graph points will be plotted below the x-axis.
IP2.6.4 Drawing velocity-time graphs © Oxford University Press 2011 We can calculate the acceleration using this formula : Acceleration = Change in velocity Time The units of acceleration are: metres per second / seconds We write this as ‘metres per second squared (m/s 2 ) Change in velocity = 18m/s Time = 15 seconds
IP2.6.6 Calculating acceleration and distance travelled from a vt graph © Oxford University Press 2011 Calculating acceleration and distance travelled.
3.2 Notes - Acceleration Part A. Objectives Describe how acceleration, time and velocity are related. Explain how positive and negative acceleration.
Velocity - time graphs z A straight line slope shows an accelerating object!!!! z The steeper the slope the greater the acceleration!
Distance Time Graphs Time is always plotted on x axis Distance is always plotted on y axis To figure average speed, divide distance by time.
Things to know!. Velocity-Time Graphs A velocity-time (V-T) graph shows an object’s velocity as a function of time. A horizontal line = constant velocity.
Velocity-time graphs. Edexcel Statements Velocity-time graph What story does the graph tell?
Graphing a Change in Motion. Motion Motion is when the distance from one object to another is changing Distance is the entire path an object travels.
Chapter 11: Motion Section 11.3 Acceleration Section 11.3 Acceleration.
Velocity-Time Graphs What is it and how do I read one?
Graphing Velocity and Distance vs. Time graphs. Distance-Time Graphs Time is always plotted on the X-axis (bottom of the graph). Distance is always.
Drawing Velocity Time Graphs from Position Time Graphs Uniform and Non-Uniform Motion.
Speed and Velocity. Describing the motion of an object is occasionally hard to do with words. Sometimes graphs help make motion easier to picture, and.
Warm Up. Constant Velocity CONSTANT VELOCITY = NO CHANGE IN VELOCITY Definition of acceleration = CHANGE IN VELOCITY over a period of time CONSTANT.
Graphing Motion, Speed and Velocity. Graphs of Motion A Distance vs. time graph that is a straight line always means the object moves the same.
Motion Graphs. Motion is a change in position measured by distance and time. Velocity tells the speed and direction of a moving object. Speed tells us.
Motion Graphs (p in notebook). Interpret The Graph Below: (As time increases, ….)
Position-Time and Velocity-Time Graphs. Questions for Consideration What is a position-time graph? What is a velocity-time graph? How do features on one.
Graphing Speed Or how to read a distance-time graph.
GRAPHING SPEED Moving from Home. Graphing Variables – Recall The dependent variable goes on the y-axis The independent variable goes on the x-axis.
Speed vs. Time Graphs. What does a Speed v. Time graph show? Shows how the speed (or velocity) of an object is changing over a given period of time.
CH. 2 NOTES Abbreviated. Distance vs. Displacement Distance – how far an object travels (meters) Displacement – straight line path between two points.
Unit B 1.3 Acceleration. Types of Acceleration Positive Acceleration Occurs in Two Ways – When an object’s velocity is increasing in a positive direction.
A measure of… How far something goes and… How long it takes to get there.
Plotting graphs Drawing best fit lines (or curves) Calculating slope = calculating velocity Describing Motion: Position vs Time Graphs.
Practicing with Graphs. Plot the motion on a DISPLACEMENT- TIME graph d (m) t (s) An object moves at a constant velocity, then stops, then moves at a.
COMPARING GRAPHS: DISTANCE/TIME GRAPHS VS. SPEED (VELOCITY)/ TIME GRAPHS.
Graphing Motion. Graphing Data Independent axis: the x-axis- horizontal Dependent axis: the y-axis- vertical The y values depend on the x values.
Acceleration 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.
Speed, Distance and Time. Speed and Velocity An object has speed when it travels a distance in a time interval. An object has speed when it travels a.
Motion Graphing Position vs. Time Graphs If intervals between distance & time intersection points are same; graph represents object moving at CONSTANT.
Chapter 2 Motion in One Dimension 2-1 Displacement and Velocity Motion – takes place over time Object’s change in position is relative to a reference.
How do you describe an object’s position? How do you describe an object’s motion? How do speed and velocity differ? What is acceleration? Describing Motion.
Graphing motion. Displacement vs. time Displacement (m) time(s) Describe the motion of the object represented by this graph This object is at rest 2m.
Acceleration in Graphs 9/27/2011. Position vs. Time Graph For this graph, where is the velocity positive? Where is the velocity zero? Where is the velocity.
Objectives: 1.Be able to distinguish between distance and displacement 2.Explain the difference between speed and velocity 3.Be able to interpret motion.
Noadswood Science, To understand acceleration and velocity-time graphs Wednesday, April 29, 2015.
MOTION GRAPHS. INTERPRET THE GRAPH BELOW: 1.What is the graph showing? Speed, Velocity, Acceleration, Deceleration? 2.How do you know? 3.Explain what.
Motion Change in position against some stationary background (frame of reference).
You can tell that an object has moved when its __________ has changed. position.
Motion Graphs. Motion-Time Graph Describing motion is occasionally difficult to do with words Graphs can help simplify this description greatly – Position.
Graphing a bouncing ball Graphing a car in motion LET’S GRAPH MOTION.
Motion Ch. 1 Motion- a change in position Frame of Reference Frame of Reference (reference point)- Whenever you describe something that is moving you.
Describing Motion with Position vs. Time Graphs The specific features of the motion of objects are demonstrated by the shape and the slope of the lines.
Journal #12 / If the trend continues, where would the object be at 10 seconds?
Linear Kinematics. Kinematics Study of motion of objects without regard to the causes of this motion.
Used to describe the velocity of a moving object during its motion. depict the direction and relative speed by a vector arrow.
Time Graphs Analyze velocity-time, distance-time, and force-time graphs of sporting activities.
Velocity. Speed describes the rate of motion of an object. It is a scalar quantity (magnitude only) Velocity describes the rate of motion AND the.
Velocity-Time Graphs and Acceleration. What does a v-t graph look like? Time is marked on the horizontal axis and velocity is on the vertical. Graphs.
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