Graphical Analysis of Motion Introduction To graphically analyze motion‚ two graphs are commonly used: Displacement vs. Time and Velocity vs. Time. These two graphs provide significant information about motion including distance/displacement‚ speed/velocity‚ and acceleration. The displacement and acceleration of a moving body can be obtained from its Velocity vs. Time graph by respectively finding the area and the slope of the graph. Data Tables – Part I Displacement (m) Time (s) 0.10 m
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percentage difference between the initial velocity calculated with kinematics and momentum are 0.0515%‚ which shows the calculation of initial velocity using the two different ways have a relatively similar answer. The percentage error between the theoretical value of initial velocity measured with photo gate and lab quest and the experimental value calculated with kinematics is 0.02473%. The percentage error between the theoretical value of initial velocity measured with photo gate and lab quest and
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does the velocity change with distance downstream? 3. How does channel efficiency change with distance downstream? Figure 1: Bradshaw Model shows the changes of river from Upstream to Downstream According to the Bradshaw Model I would expect. Discharge increases downstream because tributaries join the main river and increase amount of water in Main River. Cross-Section will increase as the river goes downstream‚ channel depth and width of the river increases due to abrasion. Velocity will
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moving has momentum. Momentum is equal to the objects mass times its velocity. Momentum is conserved‚ which means that “momentum before an event equals momentum immediately after‚ or pi=pf”. Since pi=pf‚ then pai+ pbi = paf+ pbf and (ma* vai)+ (mb* vbi)= (ma* vaf) + (mb * vbf). Having velocity simply means that an object has a speed and direction. Using the formula “(ma * vai) + (mb * vbi) = (ma* vaf) + (mb * vbf‚)” the final velocity of two carts after they collide can be found. The first cart is
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collisions. This background knowledge is essential in understanding the experiment‚ resulting calculations‚ and analysis. The main objective of this experiment was to determine the initial velocity of a ball shot from a spring loaded gun‚ into a receptacle which traveled up a ramp. As well as finding the initial velocity of the ball we also wanted to determine the spring constant of the spring used in the spring loaded gun. Lastly‚ we wanted to analyze what speed would theoretically be reached if no
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high speed and covers a relatively large distance in a short amount of time. * Velocity: Velocity is a vector quantity that refers to "the rate at which an object changes its position." When evaluating the velocity of an object‚ one must keep track of direction. It would not be enough to say that an object has a velocity of 55 mi/hr. One must include direction information in order to fully describe the velocity of the object. * Distance: Distance is a scalar quantity that refers to "how
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07X1VW5 I‚ 2013 SUMMATIVE ASSESSMENT – I‚ 2013 / SCIENCE IX / Class – IX 3 90 Time Allowed : 3 hours Maximum Marks : 90 General Instructions : The question paper comprises of two Sections‚ A and B. You are to attempt both the sections. All questions are compulsory. All questions of Section-A and all questions of Section-B are to be attempted separately. 1 3 Question numbers 1 to 3 in Section-A are one mark questions. These are to be answered in one word or in one sentence. 4 6 30-30 Question
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. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Prandtl’s mixing length theory . . . . . . . . . . . . . . . . . . . . . . . . . Fluid shear stress and friction velocity . . . . . . . . . . . . . . . . . . . . Classification of flow layer . . . . . . . . . . . . . . . . . . . . . . . . . . . Velocity distribution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1 4 5 7 9 Ch´zy coefficient . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 e Drag coefficient
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inclined plane. To measure the instantaneous velocity and to determine the acceleration of the cart from the slope of the velocity-time graph. Theoretical Background A cart moving down a smooth incline speeds up. This is a simple case of a uniformly accelerated motion in one dimension. The rate of change of velocity is constant or uniform. The rate of change of velocity is called acceleration. To determine the acceleration‚ one needs to measure the velocity at two different points along the incline
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ONE-SCHOOL.NET Average Speed Force and Motion Average Speed = Total Distance Total Time Velocity v= s t Acceleration v = velocity s = displacement t = time (ms-1) (m) (s) a= v−u t a = acceleration v = final velocity u = initial velocity t =time for the velocity change (ms-2) (ms-1) (ms-1) (s) Equation of Linear Motion Linear Motion Motion with constant velocity Motion with constant acceleration Motion with changing acceleration v= s t v = u +
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