A straight horizontal line on a speed time graph means that speed is constant. Speed time graphs are very useful when describing the movement of an object. Speedtime graph worksheet 1 free download as pdf file. Distance and speedtime graphs doingmaths free maths. In every exam you will get at least 34 questions from this topic.
Displaying all worksheets related to distance time graphs. Speedtime graphs speedtime graphs are also called velocitytime graphs. Speed or velocity is plotted on the yaxis a straight horizontal line on a speedtime graph means the speed is constant. If an object is starting from rest, then its initial speed is 0. Travels at this speed for 30 s and then decelerates uniformly to. Speed time graphs speed time graphs are also called velocity time graphs.
Reading a speed vs time graph acceleration 60 in the same way that speed distance divided by time, we can also look at acceleration as the change in speed over the time that the change occurred. The diagram represents the velocitytime graph of the. The sloping line shows that the speed of the object is changing. The object accelerated between t0 and t2 up to 8ms. For the full list of videos and more revision resources visit uk. Time is always plotted on the xaxis bottom of the graph. Graphing speed interpreting graphs in physics, a graph is worth a thousand numbers. As learning progresses displacement is measured by calculating the area under the line. A straight horizontal line on a speedtime graph means that speed is constant. What else can we get from a dt grapharea under the graph rectanglearea under the graph triangleworked exampleworksheet 12 different graphs to find the distance covered the speed of everyday objects. The following diagram shows examples of distance time graphs. Velocity versus time graphs velocity speed figure 1.
Velocity time graph problems on the graph below, indicate when the object is accelerating, decelerating and maintaining a constant velocity velocity time graph question. From starting to the stage when locomotive attains maximum speed, the period is known as acceleration period, as the vehicle is constantly accelerated. Speedtime graphs look much like distancetime graphs. The slope of the line represents the acceleration of the object. Speedtime graphs with constant speed the sketch shows the speedtime graph for a car that is travelling along a motorway at a steady 70 mph. Displacementtime and velocitytime graphs mcwebmech1102009. The graph below shows the motion of a car which starts from rest and accelerates uniformly for 10 seconds until its speed is 30 ms. Both of these quantities can be thought of as rates of change or slopes on a graph like the one to the left.
In a speedtime graph, speed is always shown on the yaxis or the vertical axis and time are shown on the horizontal or xaxis. Forces, motion and energy gr 6 science 2 distance time graphs describing the motion of an object is occasionally hard to do with words. Jan 19, 2018 a level maths revision tutorial video. Distance on a speedtime graph simple physics tutorial duration.
A great deal of information can be obtained by looking and interpreting graphs describing motion displacement, speed, velocity, and acceleration. Roy stayed with his aunt for 30 minutes and then returned homec work out roy. Speed time graph and acceleration definition and units of. The velocitytime graph also shows the change in direction of the ball. The further to the right, the longer time from the start. Calculating distance from a speedtime graph the area between the line on a speedtime graph and the baseline is equal to the distance that an object travels. Use the data to create a positiontime graph on the accompanying graph paper. Speedtime graphs with constant speed zero acceleration when the speed is constant, the speed time graph, with yaxis denoting speed and xaxis denoting time. The following data was taken during a students experiment with an object moving at a relatively constant velocity. Speed or velocity is plotted on the yaxis a straight horizontal line on a speed time graph means the speed is constant. Velocity tells the speed and direction of a moving object. Acceleration tells us the rate speed or direction changes. A group of students conduct an investigation of how a velocity vs. Review of the meaning of slope using distance time graphs.
In each case sketch a speedtime graph and find the distance travelled. The speedtime graph shows that the speed decreases to zero as the ball reaches its maximum height and then increases. With speed on the y axis and time on the x axis, a speedtime graph tells us how someonesomethings speed has changed over a period of time. The graphs below both represent the motion of a ball after it has been thrown vertically upwards with an initial speed of 15 m s 1. Worksheets are velocity time graph problems, describing motion with velocity time graphs, work motion graphs name, motion graphs, unit 2 kinematics work 1 position time and, physics name unit 1d motion period, work 3, name gcse 1 9 velocity time graphs. Draw a velocitytime graph for this motion and hence determine the total distance travelled during the entire journey. By considering the direction of the graph students understand how an acceleration and retardation correspond to a positive or negative gradient. Speedtime graphs look much like distancetime graph. Displacementtime and velocitytime graphs mathcentre. The general rule of thumb is if the object is going from a high speed to a low speed, it is decelerating. A sloping line on a speed time graph represents an acceleration. This worksheet is designed to cover one question of each type seen in past papers, for each.
Jan 31, 2015 in this video you will see how to find the distance traveled from a speed time graph. The typical speed time curve for a locomotive is shown in figure given above. The distancetime graph shows information about roy. A straight line does not mean that the object is not moving. A velocitytime graph or speedtime graph is a way of visually expressing a journey. Graphs that show distance against time can be used to describe journeys. Sketch a velocitytime graph of this motion on the given axes. Displaying all worksheets related to velocity time graph. Speedtime graph worksheet 1 speed acceleration scribd. The higher up the graph we go, the further we are from the start.
The speed is increasing by 10 miles per hour each second. Motion is a change in position measured by distance and time. Speed time graphs distance travelledthis is the second lesson on speed time graphs. We know that the speed at a certain time is the magnitude of the velocity at that time. Speed time graphs and acceleration the speed time graph shows how the speed of a bus changes accelerates during part of a journey. The curve may be broadly split into the following periods. Displaying distance vs time graphs worksheet with answers.
Apr 24, 2016 lesson on interpretting velocity time graphs to find acceleration and distance travelled. It maintained a constant speed for 8 seconds before decelerating to 4ms over 2 seconds. Tes global ltd is registered in england company no 02017289 with its registered office at 26 red lion square london wc1r 4hq. We are going to be using velocitytime graphs to find two things, primarily. Travels at this speed for 30 s and then decelerates uniformly to rest in further 10 s. Initial speed is represented by the alphabet u and final speed is represented by the alphabet v. The area under a graph often gives useful information. Calculating acceleration from a velocity time graph the average acceleration can be calculated for any part of a journey by taking the change in velocity and dividing by the change in time for that part of the journey. In this activity you will explore one example of this, the area under a speedtime graph.
Distance time graphs plotting distance against time can tell you a lot about motion. What is the acceleration of the object between times and. Velocitytime graphs questions worksheets and revision mme. We can use them to determine whether or not the object is moving at any point in time. If an object is not moving, a horizontal line is shown on a distance time graph. Scroll down the page for more examples and solutions. So an object with a velocity of 34 ms is moving with a speed of 34 ms in the direction. Speed time graphs look much like distance time graphs. Now past the 10second mark, the car decelerates until it comes to a complete stop. Time graphs to the right is a typical graph displaying distance vs. Nov 25, 2018 this website and its content is subject to our terms and conditions.
For a fun plenary, draw the resulting speed time graph on the board and invite the class to do the sound effects of the journey as you move along the graph with your finger e. Distance time graph time always runs horizontally the xaxis. Speedtime graphs velocitytime graphs national 5 physics. Worksheets are distance vs time graph work, mathematics linear 1ma0 distance time graphs, motion graphs, work 2, level of challengeca6 a6 interpreting distancetime graphs, time, distance rate time word problems, 18 speed distance and time mep y8 practice book b. Speed time graphs look much like distance time graph. So we can follow equations of motion to draw speed time graphs. Consider the motion of the object whose velocity time graph is given in the diagram. Sometimes graphs help make motion easier to picture, and therefore understand. Here is a sketch of a speedtime graph for part of a journey. Be sure to read the labels time is plotted on the xaxis. Mathematics linear 1ma0 distance time graphs materials required for examination items included with question papers ruler graduated in centimetres and nil millimetres, protractor, compasses, pen, hb pencil, eraser. Ab the bus is moving at a steady speed of 10 ms for 5 seconds. Acceleration tells us the change in direction or rate of speed.