the same time? 4. When you describe the speed of anything what are you actually describing? 5. How can you tell that an object is moving? 6. You cover 10 meters in 1 second. Is your speed the same if you cover 20 meters in 2 seconds? Section 4.2– Speed 1. What is speed? How can you calculate speed? 2. If a cheetah can maintain a speed of 25 m/s‚ how far will it travel in 10 s? In 1 minute? 3. What are some units that can be used for describing speed? Which units will be used primarily throughout
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which leads to a loop while going down the hill‚ and featuring a quadruple spin downward and a 350 foot climb assisted by more launching systems to help you feel like you are in a fast car. It then spirals downward on a large incline at very high speeds‚ giving even the best of adrenaline junkies a thrill. Close to the end‚ you can relax and enjoy many of the strange decorations‚ including memes‚ random signs‚ and your picture taken at one
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2 Physics‚ 4th Edition James S. Walker Copyright © 2010 Pearson Education‚ Inc. Chapter 2 One-Dimensional Kinematics Copyright © 2010 Pearson Education‚ Inc. Units of Chapter 2 • Position‚ Distance‚ and Displacement • Average Speed and Velocity • Instantaneous Velocity • Acceleration • Motion with Constant Acceleration • Applications of the Equations of Motion • Freely Falling Objects Copyright © 2010 Pearson Education‚ Inc. 2-1 Position‚ Distance‚ and Displacement
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reversed now we tell an isokinetic machine (the dynomometer) to move only at a certain speed (normally described in degrees per second). The machine will then vary it’s resistance against us to maintain that speed. This means if we push against the machine hard it will give back allot of resistance to maintain the speed it was told to go at. If we push or pull softly the machine reduces the weight to maintain the speed. To achieve isokinetic movement there are many different ways of developing the resistance
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object moving in the positive direction at constant speed with respect to time. POSITION TIME POSITION 1c. The pink line shows the position of an object moving in the negative direction at constant speed with respect to time. TIME POSITION 1d. The pink line shows the object accelerating at a constant‚ steady speed. The blue line shows an object that is accelerating at a less constant speed‚ slowly at first‚ then increasing speed. TIME 2a. The pink line is on the x-axis
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upgrade the "Golden Quadrilateral" connecting the four metros to a four-lane system by end of 2003‚ the average speed for intercity travel is expected to increase substantially. More importantly‚ the standard deviation on travel times between two cities is expected to drop significantly. It is on this system of National highways that Volvo is banking on. Further‚ Volvo has stated that speed and power are not the primary advantages that the bus offers. It is reliability that they are selling. The service
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ball to bring it to rest? [3] 16. (a) A car accelerates uniformly from 18 kmh-1 to 36 kmh-1 in 5s. Calculate: (i) acceleration (ii) distance covered by the car in that time. [3] (b) The length of minute hand of a clock is 14 cm. calculate the speed with which the tip of the minute hand moves. [2] [1] 17. (a) Define the term
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Which of the following is the decay product? 243 A 96 Cm B 235 94 Pu C 239 93 Np D 235 92 U E 234 90 Th 3. A compact disc of diameter 120 mm is spinning at a speed of 500 revolutions per minute. Which of the following is closest to the linear speed of the outer edge of the disc? A 0.50 m s–1 B 1.0 m s–1 C 1.6 m s–1 D 3.1 m s–1 E 60 m s–1 4. A steel wire is stretched and clamped between two fixed points that are spaced 1.0 m apart. Which
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warmed up‚ and your muscles are stretched‚ it’s time to work the intervals. On the treadmill set the incline to zero‚ you are going to increase the speed to five or six mph‚ and run hard for thirty seconds. Your aim should be ninety percent of your maximum heart rate‚ your heart should be pumping as you run. Once thirty seconds has flown by‚ drop the speed back down to three mph‚ and walk for a minute. This allows your body to recover. 3. Squats: After the minute lapses get off the treadmill and start
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PROJECT IN PHYSICS (Problems Compilation) Submitted by: KIMBERLY L. RECARE IV- HOPE Submitted to: CECIL SIERVO PROBLEM SOLVING 1. To go from your house to a nearby store‚ you must walk 4 m east and then 20 m 30° north of east. What is your displacement? Use polygon method and parallelogram method. Check you result by sine law and cosine law. COSINE LAW SINE LAW R²= a² + b² - 2 AB
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