------------------------------------------------- Velocity Velocity is defined as a measure of the distance an object travels in a stated direction in a given length of time. Thus velocity is speed in a stated direction. Velocity is referred to as a vector quantity because it possesses both size and direction‚ the size being speed. Where speed only tells us how fast or slow an object is moving it gives no reference of direction velocity is used as a more complete measure as it not only gives
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stop? 3. where is car #1 when car #2 changes direction? 4. what is the average velocity of car #1 in km/hr? 5. estimate the instantaneous velocity (in km/hr) of car #2 at t = 43 min ? x / km car #1 20 10 car #2 0 20 10 30 40 t / min [1.2] Here is a plot of velocity versus time for an object that travels along a straight line (positive direction to the right) with a varying velocity. v/ m/s 1. at what time(s) is the object at rest? 20 2. what is the average
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position and velocity are displayed under the time. Click Start again and write down at least 2 observations about this simulation below. Activity 2: Click the Show Grid box and make sure that System Centered and Show Traces are checked too. Drag the slider bar all the way to the left for the most accuracy. Click Reset‚ then change Body 1’s mass to 500 and its x and y position and velocity to 0. Change Body 2’s mass to 30‚ its x position to 200‚ and y position and x and y velocity to zero. Reset
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Merrily We Roll Along! Purpose: To investigate the relationship between distance and time for a ball rolling down an incline. Data: Table A | Time (s) | Incline 25° | Distance (cm) | Trial 1 | Trial 2 | Trial 3 | Average | 20.5 | 0.31 | 0.32 | 0.29 | 0.31 | 41 | 0.47 | 0.27 | 0.38 | 0.37 | 61.5 | 0.51 | 0.52 | 0.31 | 0.45 | 82 | 0.67 | 0.54 | 0.45 | 0.55 | 102.5 | 0.69 | 0.90 | 0.58 | 0.72 | 123 | 0.88 | 0.67 | 0.58
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Science 10. P 393 Investigation 13A Time (sec) Displacement (cm down) Velocity ( down) 0 0 0 0.1 0.6 = Df – Di = 0.6 – 0 = 0.6 = 0.2 1 = Df – Di = 1 – 0.6 = 0.4 = 0.3 3.3 = Df – Di = 3.3 – 1 = 2.3 = 0.4 5.9 = Df – Di = 5.9 – 3.3 = 2.6 = 0.5 7.4 = Df – Di = 7.4 – 5.9 = 1.5 = 0.6 8.7 = Df – Di = 8.7 – 7.4 = 1.3 = 0.7 10.1 = Df – Di = 10.1 – 8.7 = 1.4 = 0.8 11.4 = Df – Di = 11.4 – 10.1 = 1.3 = 0.9 12.9 = Df – Di = 12.9 – 11.4 = 1.5 = 1.0 11.8 = Df – Di = 11.8 – 12.9 = -1.1 = 1
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AP Physics Slinky Velocity Lab Group: Asaf Yankilevich‚ Lily Greenwald‚ Yaeli Eijkenaar‚ Michal Antonov 2/23/15 Materials ● Slinky ● Spring weight ● Force measurer ● Measuring Tape ● Timer Procedure 1. The first slinky’s mass was weighed‚ using a scale‚ and its tension was measured using a force measurer 2. The slinky was stretched to 4m. 3. The linear mass density was solved for‚ by dividing the mass by the length. 4. The theoretical velocity was solved for‚ using the equation
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Regents Physics Constant Velocity/ Acceleration Lab 10-3-13 Problem: Graphical Analysis of Constant Velocity and Accelerated Motion. Theory: Gravitational acceleration is constant on Earth g=9.8m/s2 Therefore‚ when the golf ball is dropped‚ the acceleration will be equal to gravitational acceleration agb=9.8m/s2 Given there is no air resistance‚ this means that when the golf ball is dropped from a given distance‚ according to the formulas‚ the golf ball will accelerate
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SCIENCE CLASS – IX SAMPLE PAPER SA – 1 General Instructions: MM: 90 The question paper comprises of two sections‚ A and B. You are to attempt both the sections. i) All questions are compulsory. ii) There is no overall choice. However‚ internal choice has been provided in all the five questions of five marks category. Only one option in such questions is to be attempted. iii) All questions of Section A and all questions of Section B are to be attempted separately. iv) Question numbers 1 to
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shot‚ you are going to need to know what projectile motion is. So really‚ what is projectile motion? Projectile motion is the curved path (also known as a parabola) an object follows when thrown near the surface of the Earth. It has an initial velocity‚ but after that‚ the only force acting on the object is gravity. In order to figure out the perfect shot‚ you are going to need to know what projectile motion is. So really‚ what is projectile motion? Projectile motion is the curved path (also
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4.3 – Velocity 1. Although we use these two words interchangeably‚ what is the difference between speed and velocity? 2. What is described when a car travels 60 km/h? How could we describe its velocity? 3. In terms of scalar and vector quantities‚ how would you describe speed? Velocity? 4. What does constant speed describe? Constant velocity? 5. If the velocity changes what also must be changing? Explain. 6. What controls on a car cause a change in speed? What causes a change in velocity? 7. What
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