ASP 0501 EXERCISES – circular motion 1 A car travels at a constant speed around a circular track whose radius is 2.6 km. The car goes once around the track in 360 s. What is the magnitude of the centripetal acceleration of the car? 2 An astronaut in a chamber moves on a circular path‚ much like a model airplane flying in a circle on a guideline. The chamber is located 15 m from the center of the circle. At what speed must the chamber move so that the astronaut is subjected to 7.5 times the acceleration
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Physics 223-101 Atwood’s Machine DATA TABLE Part 1: Keeping Total Mass Constant | Trial | m1(g) | m2(g) | Acceleration(m/s2) | Δm(kg) | mT(kg) | 1 | 200 | 200 | 0 | 0 | 0.400 | 2 | 205 | 195 | -0.174 | 0.01 | 0.400 | 3 | 210 | 190 | -0.382 | 0.02 | 0.400 | 4 | 215 | 185 | -0.607 | 0.03 | 0.400 | 5 | 220 | 180 | -0.830 | 0.04 | 0.400 | | | | | | | Part II: Keeping the Mass Difference Constant | Trial | m1(g) | m2(g) | Acceleration(m/s2) | Δm(kg) | mT(kg) | 1 |
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EXERCISE 7 - Rotational Kinematics and circular motion 1. A wheel has a radius of 4.1 m. How far (path length) does a point on the circumference travel if the wheel is rotated through angles of 30°‚ 30 rad‚ and 30 rev‚ respectively? 2.1m‚ 1.2x102 m‚ 7.7. x102m 2. A centrifuge in a medical laboratory rotates at an angular speed of 3 600 rev/min. When switched off‚ it rotates through 50.0 revolutions before coming to rest. Find
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constant. If a ball is attached to the end of string and swung at a constant speed (i.e. only the direction of the velocity is changing not the magnitude) then there must still be an acceleration. The acceleration is directed towards the center of the motion. This acceleration is call centripetal acceleration! 2.6.2 State the expression for centripetal acceleration. The acceleration of any object moving in a circle at a constant speed is given by the equation: (1) a⃗ =v2r It is important to note
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law of motion: For every action‚ there is an equal and opposite reaction. How this applies to our bottle rockets that we constructed‚ is that when we release‚ the water and air pressure comes out of the bottom. That pushes against the ground‚ the equal and opposite reaction is the earth pushing back up. Whatever object has less mass moves. In this case‚ the rocket has less mass than what it is pushing against; the earth. When we created our rockets‚ we had to keep all 3 laws of motion in mind
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Newton’s second law of motion (Car vs Suv) According to newton’s second law of motion‚ Acceleration is produced when a force acts on a mass. The greater the mass is‚ the grater the acceleration is needed to move forward. This law basically states that a force applied to the objects changes its velocity overtime in the direction of the force that is applied‚ the acceleration is directly proportional to the force‚ as an example‚ if pushing on an object‚ causing it to accelerate‚ and then you push
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Electrical Repair Incorporated goes around to different cities and states in their time of need putting up electrical power lines‚ cables‚ and poles. Our company works as west as California helping out with the San Andreas earthquakes‚ as north as New York with the 9/11 attacks‚ and as south as Florida with the hurricanes. III. STRATEGIC PLANNING PROCESS A. EXTERNAL ENVIRONMENT ANALYSIS 1. Physical Forces A. Location Data: The Dominican Republic is an excellent perspective location for foreign
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CHAPTER 39 ESSAY QUESTIONS 1. Explain why the civil rights movement of the 1960’s became more radical and violent as the decade progressed. What changes occurred in the motives‚ assumptions‚ and leadership of the movement? * The civil rights movement in the 1960’s became more radical for President Kennedy promised to help desegregate more public places and support the civil rights movement but his slowness in actually helping the movement made the groups take more action to draw more attention
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presidency and had his own plan of Reconstruction. Similar to Lincoln’s plan‚ fifty percent of the voters in the Southern states who voted in the 1860 election had to take an oath of loyalty to the Union. Thereafter‚ each state in the South had to write a new constitution and adopt the 13th amendment. Johnson was a supporter for Black Codes and Southern opinions. He restricted rights of African-Americans‚ and proclaimed Freedmen were not allowed to marry interracially‚ indict against whites‚ or perform a
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BRAVE NEW WORLD ? A Defence Of Paradise-Engineering Brave New World (1932) is one of the most bewitching and insidious works of literature ever written. An exaggeration? Tragically‚ no. Brave New World has come to serve as the false symbol for any regime of universal happiness. For sure‚ Huxley was writing a satirical piece of fiction‚ not scientific prophecy. Hence to treat his masterpiece as ill-conceived futurology rather than a work of great literature might
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