first satellite in space. He begins thinking about rockets and how there is a scientific and mathematical explanation to why they fly and fall in a certain way. This is the begining of his long and brutal journey. To begin his journey‚ he gathers all his friends and “nerds” to help him launch his first rocket. They launch their first rocket and was unfortunately unsuccessful. Hickam and his friends decide to not give up so they launch their second rocket not much later and its not a success but its an
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trolley and the weights (ca. 2m) -‐1 set of weights that will accelerate the trolley (up to 5N) -‐1 a.m. to measure the acceleration Smart ^ (including all pieces) D.1 Aim of Experiment: ^Trolley The aim of this experiment is to test Sir Isaac Newton’s second
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Chapter 4 – Linear Motion Reading Assignment Section 4.1 –Motion Is Relative 1. How can you describe motion? 2. Describe motion in terms of space shuttle? What is it relative to? A race car? 3. How can you be both at rest and also moving about 107‚000 km/h at 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
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answers on a separate sheet of paper‚ not squished in the spaces on these pages. When relevant‚ data collected should be presented in a table. Objective: To explore the acceleration and force of an object that travels a circular path at constant speed. Motion of this kind is called uniform circular motion. Part 1: Centripetal Acceleration 1. The Gizmotm shows both a top view and a side view of a puck constrained by a string‚ traveling a circular path on an air table. Be sure the Gizmo has these settings:
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motion are time‚ position‚ displacement‚ velocity and acceleration. Newton has described objects in motion in balanced and unbalanced state. There is equilibrium to the object with balanced forces that are acting on it. He said that the object will never accelerate if there will be no net force acting on it. Thus‚ the velocity is constant and its acceleration is always zero. In the Second Law of Motion‚ he showed that an object will have acceleration due to unbalanced forces acting on it. There are two
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a = = (Acceleration) b. a = Δv = vf – vi = – = Δt = tf – ti = 0.525s – 0.4s = 0.125s a = = (Deceleration) c. a = Δv = vf – vi = – = Δt = tf – ti = 1.1s – 0.55s = 0.55s a = = (No acceleration) b) Questions a => g a. Our line of best fit (in each section‚ in this case section a) is a straight line. This indicates that there was constant positive acceleration b. a = Δv = vf – vi = – 0 = Δt = tf –
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Tasneen Ahsan Date: 19th November‚ 2012 Purpose To show how the acceleration of an object changes when‚ the mass changes and the net force is kept constant and when the mass is the same.. Hypothesis I predict that by changing the mass of the object will result in a change in the acceleration as Newton`s second law states that the magnitude of the acceleration of any object is directly proportional to the magnitude of the net force‚ and inversely proportional
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is moving with a uniform speed c) When the body is moving with a non-uniform speed. 4. The brakes applied to a car produced an acceleration of 6 ms-2 in the opposite direction of the motion. If the car takes 2s to stop after the application of brakes‚ calculate the distance it travels during this time. 5. What is positive acceleration and negative acceleration? 6. Why is the motion of Satellites around their planets considered an accelerated motion? 7. Study the time (t) versus distance
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Acceleration Velocity Displacement Distance Time Definition 1. Acceleration is the rate of change of velocity with time. Velocity is a vector physical quantity; both magnitude and direction are required to define it. the length of an imaginary straight path‚ typically distinct from the path actually travelled by P. Distance is a numerical description of how far apart objects are. In physics or everyday usage‚ distance may refer to a physical length‚ or an estimation Time in physics is
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first experiment‚ one dimensional motion of a small cart on an air track is measured in a one photogate system. The acceleration was calculated by the infrared light emitting electrode of the photogate sensing the slacks on the picket fence. The calculation for gravity yielded 9.63 m/s^2‚ which is consistent with the accepted value of 9.8m/s^2. In the second experiment‚ acceleration of a cart traveling down a slight incline was measured with a two photogate method. Gravity was calculated and yielded
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