points in time (projectile motion). That is to say‚ each point plotted on the graph (parabola) will be a measurement to this effect: Suppose a ball is thrown into the sky at a velocity of 64ft/sec from an initial height of 100ft. We would set the quadratic equation as (s)0=-gt^2+v0t+h0 and substitue values for gravity‚ velocity‚ and initial height to equal 0=-16t^2+64t+100. If we want to find out after how many seconds the ball will land‚ we can leave the equation set to zero and solve for t‚ using
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Motion 13 Straight Up and Down The sketch is similar to Figure 4.9 in the textbook. Assume negligible air resistance and g = 10 m/s2. • Table 1 shows the velocity data of the figure for t = 0 to t = 8 seconds. Complete the table. Distances traveled are from the starting point (the displacements). • Table 2 is for a greater initial velocity. Complete it. 25 30
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1 UTS: ENGINEERING UTS:ENGINEERING SUBJECT OUTLINE Subject Number: Credit Points: Subject Coordinator: Semester/Year: Prerequisites: Corequisites: Antirequisites: 48640 6 Nong Zhang Autumn 2013 48640: MACHINE DYNAMICS 48620 Fundamentals of Mechanical Engineering none none This subject outline contains information you will need to find your way around the subject. It attempts to provide a structure for your learning‚ giving details of the topics‚ and how‚ when and where you can choose
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VicosÓ¨Ît). When broken down Vi cosÓ¨Ît is the initial velocity of the object in the x axis multiplied by how long it has been traveling at that speed equals your displacement in the x axis. The other dimension is the vertical witch is usually called height (h=VisinÓ¨Ît+1/2at^2) witch is similar to the horizontal motion except we have to account for the force of gravity. When we brake down the equation we see the height is equal to the initial velocity (VisinÓ¨Ît) of the object in the y axis plus half
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What is Isokinetic Isokinetic (n) is a term used to describe a type of movement or exercise. Isokinetic or Isokinetics Definition: The word isokinetic is most commonly used in sports science and medicine. In these settings isokinetic defines a type of exercise or movement. Isokinetic movement is actually the opposite of isotonic movement which is probably the easiest way to think of it. Isotonic movement is the most common type of movement we human beings perform: Isotonic movement: In almost
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horizontal. 1. Does the ball clear or fall short of the crossbar? 2. Does the ball approach the crossbar while still rising or while falling? (a) From our equations of motion‚ the horizontal velocity is constant. This gives us the flight time for any horizontal distance starting with initial x velocity vicosθ. Thus the vertical height of gx 2 the trajectory is given as y = x tan θi – . With x = 36.0 m‚ vi = 20.0 m/s‚ and θ = 2v 2i cos2 θi 53.0°‚ we find y = (36.0 m)(tan 53.0°) – (9.80 m/s2)(36
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Supplemental Problems A Glencoe Program Student Edition Teacher Wraparound Edition Teacher Chapter Resources Mini Lab Worksheets Physics Lab Worksheets Study Guide Section Quizzes Reinforcement Enrichment Transparency Masters Transparency Worksheets Chapter Assessment Teacher Classroom Resources Teaching Transparencies Laboratory Manual‚ Student Edition Laboratory Manual‚ Teacher Edition Probeware Laboratory Manual‚ Student Edition Probeware Laboratory Manual‚ Teacher Edition Forensics Laboratory
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2. The follower axis passes by 20mm offset from the cam axis Draw also the velocity & acceleration diagrams when the speed of rotation of cam is 100rpm. GIVEN DATA: Roller follower; Ɵₒ=150ᴼ; Dwell=30ᴼ Ɵᵣ=150ᴼ; Dwell=30ᴼ; Base radius r=30mm Roller radius=10mm; stroke=50mm; N=100rpm Motion: Simple Harmonic Motion. To Find: i) To draw the cam profile ii) Velocity and acceleration 3.) A cam with flat faced follower has the following specifications
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opens‚ click on ‘Show Both’ for Velocity and Acceleration at the top of the page. Now click and drag the red ball around the screen. Make 3 observations about the blue and green arrows (also called vectors) as you drag the ball around. 1. The green line points in the direction that the ball is going to go 2. The blue line changes the direction it points. 3. The blue line also changes size depending on the speed 2) Which color vector (arrow) represents velocity and which one represents acceleration
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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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