ball’s acceleration. (b) How far does the ball moves before coming to a stop? 4. A particle moves in a straight line with varying velocity as shown by the velocity time graph in Figure 1. (The graph is not drawn to
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scientificwork interface‚ and photogate to measure the acceleration of gravity‚ g‚ in a free-fall experiment. Using a “picket fence” dropped through a photo gate with disregard for air resistance; students calculated the results from the charted data and compared it with the accepted value of 9.8 m/s2 discussing any variations and their potential causes. Goal The goal of this experiment is to measure g‚ the acceleration of gravity‚ using various software and a picket
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century‚ Galileo experimentally examined the concept of acceleration. One of his goals was to measure the acceleration due to gravity‚ or the acceleration of freely falling objects. Unfortunately‚ his timing devices were not precise enough to measure the free fall time directly. He decided to “dilute” gravity by using fluids‚ inclined planes‚ and pendulums. Galileo’s idea of diluting gravity using inclined planes worked like this: the acceleration of a rolling cart on an inclined plane is small‚ therefore
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a graph versus t (plot t on the abscissa‚ i.e.‚ x-axis). Results 1: Task 3. Plot a graph versus t2 (plot t2 on the abscissa‚ i.e.‚ x-axis). The equation of motion for an object in free fall starting from rest is y = ½ gt2‚ where g is the acceleration due to gravity. This is the equation of a parabola‚ which has the general form y = ax2. Results 1: Task 4. Determine the slope of the line and compute an experimental value of g from the slope value. Remember‚ the slope of this graph represents
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mines but he has a different plan for his life. In October 1957‚ everything changes when the first artificial satellite‚ Sputnik goes into orbit. After he sees the satellite flying across the night’s sky‚ Homer becomes inspired to learn how to build rockets. With his friends‚ who also are destined for the mines‚ and the local nerd‚ Homer sets to do just that by trial and a lot of error. Unfortunately‚ most of the town‚ especially Homer’s father‚ thinks that the boys are wasting their time. They don’t
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Objectives: To learn about motion through studying and matching graphs of position vs. time and velocity vs. time; to develop an understanding of the concepts of kinematics. Predict‚ sketch‚ and test motion graphs to better understand motion. Equipment: Computer Vernier computer interface Logger Pro Vernier Motion Detector Meter stick Masking tape Preliminary Questions: 1a. The pink line shows the position of an object at rest with respect to
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Velocity Instantaneous Velocity Average Acceleration Instantaneous Acceleration Equations of Linear Motions Motion Graphs Free Falling Objects under gravity Projectile Motion Uniform Circular Motion ASD 2011/12 KINEMATICS 1/23 PPH0095 MECHANICS Mind Map ASD 2011/12 KINEMATICS 2/23 PPH0095 MECHANICS OBJECTIVES Upon completion of this chapter‚ you should be able to: 1) 2) 3) 4) 5) define distance‚ displacement‚ velocity‚ acceleration. know how to apply all the equation
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Introduction to the Language of Kinematics Describing Motion with Words Scalars and Vectors Distance and Displacement Speed Velocity Acceleration Kinematics is the science of describing the motion of objects using words‚ diagrams‚ numbers‚ graphs‚ and equations. The goal of any study of kinematics is to develop sophisticated models which serve in describing (and ultimately‚ explaining) the motion of real-world objects. Much of our lives are spent in motion‚ travelling
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on the car during this acceleration 2. A net force of 12 N is exerted on and to cause it to accelerate at a rate of 0.03 m/s2. Determine the mass of the encyclopedia. HYPERLINK http//fc.codmanacademy.org/branches/physicsofdriving2/pushingbuses.jpg INCLUDEPICTURE http//fc.codmanacademy.org/branches/physicsofdriving2/images/pagemaster/pushingbuses.jpg MERGEFORMATINET 5. 4. How much force does a 40‚000kg rocket develop toaccelerate 2m/s2
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vector or scalar quantities. Of particular interest‚ the forces‚ which operate on a flying aircraft‚ the weight‚ thrust‚ and aerodynamic forces‚ are all vector quantities. The resulting motion of the aircraft in terms of displacement‚ velocity‚ and acceleration are also vector quantities. These quantities can be determined by application of Newton’s laws for vectors. The scalar quantities include most of the thermodynamic state variables involved with the propulsion system‚ such as the density‚ pressure
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