can prove to the police the diary is for real." It’s a hot‚ hot summer‚ and in the depths of the Toronto Transit Authority’s lost and found‚ seventeen-year-old Duncan is cataloging misplaced belongings and sifting through accumulated junk. And between Jacob‚ the cranky old man who runs the place‚ and the endless dusty boxes overflowing with stuff no one will ever claim‚ Duncan has just about had enough. Then he finds a little leather book. It’s a diary filled with the dark and dirty secrets of
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Interactions between the Multiplier Analysis and the Principle of Acceleration Author(s): Paul A. Samuelson Reviewed work(s): Source: The Review of Economics and Statistics‚ Vol. 21‚ No. 2 (May‚ 1939)‚ pp. 75-78 Published by: The MIT Press Stable URL: http://www.jstor.org/stable/1927758 . Accessed: 02/03/2012 05:03 Your use of the JSTOR archive indicates your acceptance of the Terms & Conditions of Use‚ available at . http://www.jstor.org/page/info/about/policies/terms.jsp JSTOR is a not-for-profit
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Uniform linear acceleration Introduction This topic is about particles which move in a straight line and accelerate uniformly. Problems can vary enormously‚ so you have to have your wits about you. Problems can be broken down into three main categories: Constant uniform acceleration Time-speed graphs Problems involving two particles Constant uniform acceleration Remember what the following variables represent: t = the time ; a = the acceleration ; u = the initial speed ; v = the final
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Open-ended Investigation (mass and force) Aim: To show the relationship between Mass‚ the force acting on it‚ and acceleration by gathering data through investigations. Hypothesis: As Mass increases‚ Acceleration Decreases. Therefore‚ Acceleration is inversely proportional to mass. Introduction A force is a push or pull acting upon an object‚ as a result of its interaction with another object. In a state of motion‚ an object experiences different forces which influences its movement. There are many
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2: SPEED‚ VELOCITY AND ACCELERATION 2.1 Distance and Displacement • Distance is the total length covered by a moving object irrespective of the direction of motion‚ i.e. only the magnitude is of importance. • Displacement is the distance measured in straight line AND in a specific d__________________. Both magnitude and d_________________ are important. Example 1 A car travels 5 km due east and makes a U-turn back to travel a further distance of 3 km. Find (a) the distance covered‚ (b)
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an essay on the following topic: "Discuss cultural differences as they exist in American and Vietnamese culture and suggest some ways to overcome them." CONTENT The difference of culture impacts so much to the way to living‚ the way of thinking and the way of doing business. America and Vietnam have a big difference in culture‚ religion and business. However‚ we live in a world where it is called flat world‚ where there is no restriction between countries. It requires us to integrate in order to
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A STRAIGHT LINE GUIDE QUESTIONS: 1. From the data obtained‚ what is the effect of the height of the track to the cart’s acceleration? The data shows that sinӨ‚ which is dependent on the height‚ is getting higher as acceleration is increasing. This implicates that when object is at higher altitude‚ its acceleration is faster. 2. From the data obtained‚ how is time‚ t related to the inclination of the track? Explain why? Time and position of velocity are interrelated to each other and the
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MYSELF CHECK ACTIVITY ON MOTION 1. A car speeds up from 40 km/h to 55 km/h to overtake a truck. If this requires 15 s‚ what is the (a) acceleration and (b) distance traveled by the car? 2. Albert is riding his scooter at a velocity of 80 km/h when he sees an old woman crossing the road 45 m away. He immediately steps hard on the brakes to get the maximum acceleration of 7.5 m/square second. how far will he go before stopping? Will he hit the old woman? 3. the time a male bungee jumper if
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(Motion) 1. If a body starts from rest‚ what can be said about the acceleration of body? (a) Positively accelerated (c) Uniform accelerated (b) Negative accelerated (d) None of the above [1] 2. What does slope of position time graph give? (a) speed (b) acceleration (c) uniform speed [1] (d) Both (a) and (c) depending upon the type of graph. 3. When a body moves uniformly along the circle‚ then:(a) its velocity changes but speed remains the same (b) its speed changes but velocity remains the
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1. A car travels 40 kilometers at an average speed of 80 km/h and then travels 40 kilometers at an average speed of 40 km/h. The average speed of the car for this 80 km trip is: A) 40 km/h B) 45 km/h C) 48 km/h D) 53 km/h E) 80 km/h 30’+60’ = 90’=5400s=1.5h 40km+40km=80km vavg= 80000m/5400s=13.168724279835390946502057613169 m/s = 48 km/h 2. The coordinate of an object is given as a function of time by x = 7t – 3t2‚ where x is in meters and t is in seconds. Its average velocity
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