Uniform Circular Motion – a constant motion along a circle; the unfirom motion of a body along a circle Frequency (f) – the number of cycles or revolutions completed by the same object in a given time; may be expressed as per second‚ per minute‚ per hour‚ per year‚ etc.; standard unit is revolutions per second (rev/s) Period (T) – the time it takes for an object to make one complete revolution; may be expressed in seconds‚ minutes‚ hours‚ years‚ etc.; standard unit is seconds per revolution
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INVESTIGATING CIRCULAR MOTION 11/3/04 AIM To examine some of the factors affecting the motion of an object undergoing uniform circular motion‚ and then to determine the quantitative relationship between the variables of force‚ velocity and radius. APPARATUS Rubber bung Metre rule 50 gram slot masses Glass tube 50-gram mass carrier 50-gram slot masses Metre rule Stopwatch Sticky tape Metre rule String THEORY As in Jacaranda HSC Science Physics 2 p.54 In this experiment when the rubber bung
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Title: Uniform Circular Motion Objective: To investigate the relationship between FnetT² and radius Proposed Hypothesis: FnetT² is directly proportional to the radius Manipulated variable: Radius of the circular motion Responding variable: The time taken for 20 rotations Controlled variables: The mass of the rubber stopper‚ the mass of the weight hanger‚ the total weight of the slotted weight‚ the length of the PVC tube Apparatus and Materials: rubber stopper‚ stopwatch‚ weight
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agencies; and with other providers of correctional or counseling services to offenders (Seiter‚ 2011). Closed systems on the other hand consist of only the internal environment and‚ for prisons; this meant what happen within the walls and fences‚ under the direct control of the warden and without much interest or interference from external groups (Seiter‚ 2011). The organization of a closed system‚ often with autocratic leadership‚ is usually very simple‚ and the mission and goals of the organization
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II Uniform Circular Motion A. Nomenclature 1. Speed – magnitude of an objects rate of motion (no direction‚ scalar quantity) 2. Velocity – speed and direction of an objects motion (vector‚ mag & direction) 3. If a car’s speed is constant but direction is changing‚ velocity is changing. 4. 2 ways to change velocity (change speed or change direction). 5. acceleration – change in speed over time (vector quantity) TWO types; a. Linear acceleration – speed
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Chelsea Ferrell Lab 1 Closed-Loop Control According to our book‚ Motor Learning and Performance‚ a closed-loop control is a type of control that involves the use of feedback and the activity of error detection and correction processes to maintain the desired state; used by people to control slow‚ deliberate movements. The book uses a heating and cooling system to illustrate a closed-loop control‚ but a closed-loop control process is actually used for certain types of human performances. For our
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gorilla for the very first time‚ it is unlikely that zoos would ever again be put on the defensive. Of course‚ in our society when someone mentions the word "zoo" there are people who will immediately voice their negative opinions that zoos should be closed down as it is similar to a prison for animals‚ for the sheer benefit of an unappreciative audience. Nothing could be further from the truth. Animals in zoos live enriched lives: they are fit and healthy‚ able to breed and raise their young. Zoos are
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OIL RECORD BOOK INSTRUCTIONS Oil Record Book‚ Part I - Machinery space operations (All Ships) The following pages of this section show a comprehensive list of items of machinery space operations which are‚ when appropriate‚ to be recorded in the Oil Record Book Part I in accordance with regulation 17 of Annex I of the International Convention for the Prevention of Pollution from Ships‚ 1973‚ as modified by the Protocol of 1978 relating thereto (MARPOL 73/78). The items have been grouped into operational
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wrap up‚ someone announced the possibility of a closed campus lunch‚ and murmurs were heard throughout the room. Although the news of closed campus lunch has quickly spread throughout the tech community‚ surprisingly the first time administrators heard of this was through the students‚ not the staff. Interviewed staff were not alerted to the situation‚ including Mr. Price‚ one of the assistant principals. According to him‚ he hasn’t‚ “heard about closed campus from anybody‚ only from the students. I
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Analyzing Uniform Circular Motion Group Names: Zixuan He，Wendy Chen Course: SPH4U1 Teacher: Ms.Kang Due Date: 10/20/ 14 Experimental Investigation of the relationship between centripetal force(Fc) and velocity. In this lab‚ students need to design an experimental about the circular motion and measure the value of the centripetal force Equipment: A rubber stopper A straw Masses with 50g
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