An experiment was run to determine how does time affect the velocity of the picket fence and how does the time affect the position(displacement) of the picket fence. The proposed hypothesis was that for Velocity- Time graph is that if time increases than velocity will increase because the speed will change over time. The hypothesis for displacement- Time graph is that if time increases position will increase because where the picket fence stared at will change a certain magnitude and direction. The
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EXERCISE 7 - Rotational Kinematics and circular motion 1. A wheel has a radius of 4.1 m. How far (path length) does a point on the circumference travel if the wheel is rotated through angles of 30°‚ 30 rad‚ and 30 rev‚ respectively? 2.1m‚ 1.2x102 m‚ 7.7. x102m 2. A centrifuge in a medical laboratory rotates at an angular speed of 3 600 rev/min. When switched off‚ it rotates through 50.0 revolutions before coming to rest. Find
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for Foundation Studies (CFS) Unit Code : FHSP 1014 Course : Foundation in Science Unit Title : Physics I Year/ Trimester Session : : Year 1 / Trimester 1 2015/05 Lecturer : Mr. Chua Lai Choy Mr. Chin Kong Yew Additional Questions 3: Kinematics 1. A balloon is 30.0 m above the ground and is rising vertically with a uniform speed when a coin is dropped from it. If the coin reaches the ground in 4.00 s‚ what is the speed of the balloon? Solution:- Initial velocity of coin = speed of balloon
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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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Free fall and the acceleration due to gravity Problem/Question: How do you measure the acceleration of a falling object? Hypothesis: by measuring velocities of a falling ball then applying the data into equations numerous times‚ the results should approach to the acceleration. Variables: A: Independent Velocity B:Dependant Acceleration C:Constant Distance (photo gates) Materials: Photo gates‚ Clay ball‚ Photo gates machine.
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What Makes A Ride Thrilling? Year 11 Physics ERT Introduction Theme parks have always been a source of thrills and amusement‚ as well as major source of tourist revenue. As celebrated coaster designer John Allen states: “You don’t need a degree in engineering to design roller coasters‚ you need a degree in psychology” (Focus‚ 2009) For decades‚ thrill rides have implemented psychological thrills such as long upward climbs building anticipation‚ surprise twists and turns‚ and hills that
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Experiment 1.7: 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
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SOLUTION TO HOMEWORK PROBLEMS Chapter-4: MOTION IN TWO DIMENSIONS 1 A particle starts from the origin at t = 0 with a velocity of 6.0[pic] m/s and moves in the xy plane with a constant acceleration of (-2.0[pic] + 4.0[pic]) m/s2. At the instant the particle achieves its maximum positive x coordinate‚ how far is it from the origin? [pic] 2 At t = 0‚ a particle leaves the origin with a velocity of 5.0 m/s in the positive y direction. Its acceleration is given by [pic] = (3.0[pic] - 2.0[pic])
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Sample Paper – 2011 Class – XI Subject – Physics Time: 3 Hrs. MM : 70 General Instructions: i) All questions are compulsory. ii) There are 30 questions in total. Questions 1 to 8 carry one mark each‚ questions 9 to 18 carry two marks each‚ questions 19 to 27 carry three marks each and questions 28 to 30 carry five marks each. iii) There is no overall choice. However‚ an internal choice has been provided in one question of two marks‚ one question of three
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Subjective Srivastava’s Srivastava’s MOTION IN ONE DIMENSION 1. A particle is projected vertically upwards with a velocity 20 m s1 from the top of the tower of height 100 m. Determine the time it takes to reach the ground. Answer: t 2 1 6 sec. A particle is dropped from the top of the tower of height h. At the same instant another particle is projected vertically upwards from the bottom of the tower with such a velocity that it will be able to just reach the top of the tower. When and at what
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