Lab Exercise 2: Acceleration A. Objective This experiment will provide data to calculate the acceleration of a marble as it rolls down an incline plane over measured periods of time. To do this‚ the marble’s velocity will be determined and then its acceleration. 1. What is the distance between two marks in your inclined plan? -50cm 2. What is the angle of your inclined plan with respect the horizontal? -16degrees 3. Newton’s first law says a body at rest will remain at rest unless
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galaxy’s migration relative to other galaxies. Dynamics is the study of the relationships between motion and forces. One of its branches is Kinematics‚ which is the lesson for this experiment‚ is a branch of mechanics that consists of the study of motion without considering the forces that cause or develop the motion. Kinematics can be described in terms of space and time. Motion is the action of changing position. The aspects of motion are time‚ position‚ displacement‚ velocity and acceleration.
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single photogate. Gravity was calculated to be 9.209m/s^2 which is slightly lower that the accepted value of 9.8m/s^2. In the final experiment‚ a sonic range finder was used to calculate the properties of walking motion including distance‚ time‚ velocity‚ and acceleration. The starting acceleration was calculated to be .3778m/s^2 and the negative acceleration was calculated to be -.4844m/s^2. INTODUCTION TO THEORY The one dimensional motion measurements are going to be done on an air track. The
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on a computer screen has a position of r = [4 cm + (2.5 cm/s2)t2]i + (5 cm/s)t j. a) Find the magnitude and direction of the dot’s average velocity between t = 0 and t = 2 s. b) Find the magnitude and direction of the instantaneous velocity at t = 0‚ t = 1 s‚ nd t = 2 s. c) Sketch the dot’s trajectory from t = 0 to t = 2 s‚ and show the velocities calculated in part (b). (a) Identify and Set Up: From [pic] we can calculate x and y for any t. Then use Eq. (3.2)‚ in component
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regular time intervals on a diagram; (3) drawing vectors showing displacement‚ velocity‚ and acceleration and their x and y components at different times. (4) using vector equations to represent velocity and acceleration vectors quantitatively. In this activity you will practice representing the motion shown in Figure 1 using vectors and vector equations that represent displacements as well as average velocities and accelerations in the 1/15th of a second time intervals between position measurements
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straightforward mathematical relationships. These mathematical relationships are a recurring concept in the fields of Kinematics and Dynamics which focuses on ways in which objects/matter move whilst evaluating behaviours like displacement‚ acceleration and velocity (Wise Geek‚ 03-13). Kinematics derives its name from the Greek word for “motion” (kinema) (Sparknotes‚ 2011). This field is centred under a sub branch of mechanics which deals with pure motion‚ without reference/implication to the forces and masses
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Problems 1‚ 2‚ 3 = straightforward‚ intermediate‚ challenging Section 4.1 The Position‚ Velocity‚ and Acceleration Vectors 1. A motorist drives south at 20.0 m/s for 3.00 min‚ then turns west and travels at 25.0 m/s for 2.00 min‚ and finally travels northwest at 30.0 m/s for 1.00 min. For this 6.00-min trip‚ find (a) the total vector displacement‚ (b) the average speed‚ and (c) the average velocity. Let the positive x axis point east. 2. A golf ball is hit off a tee at the edge of a cliff
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for three-dimensional flow-field and relative pathlines for the rotating flow in a Tesla disc turbine Sayantan Sengupta‚ Abhijit Guha ⇑ Mechanical Engineering Department‚ Indian Institute of Technology‚ Kharagpur‚ Kharagpur 721302‚ India a r t i c l e i n f o Article history: Received 22 December 2012 Received in revised form 18 June 2013 Accepted 8 September 2013 Available online 19 September 2013 Keywords: Tesla turbine Absolute pathline Relative pathline 3-D CFD simulation Flow
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1 Velocity‚ Speed‚ Acceleration‚ and Deceleration The goal for today is to better understand what we mean by terms such as velocity‚ speed‚ acceleration‚ and deceleration. Let’s start with an example‚ namely the motion of a ball thrown upward and then acted upon by gravity. A major source of confusion in problems of this sort has to do with blurring the distinction between speed and velocity. The speed s is‚ by definition‚ the magnitude of the velocity vector: s := |v|. Note the contrast: –
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measurement that does not contain directional information. D: Acceleration - the time rate of change of an objects velocity. E: Free Fall - the motion of an object when it is falling solely under the influence of gravity. 2. No. Motion depends on the reference point that is used. 3. That depends on the reference point that is used. The glass is not moving relative to the counter. 4. A: The girl joggers. B: Child in inner tube. C: The first girl jogging. 5. 30
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