In 1687‚ Sir Isaac Newton published what are known today as Newton’s three laws of motion. If these laws didn’t exist‚ motion and life would not exist. His three laws are accurately relative to what "normal" speeds are on earth. Newton’s first law is most commonly referred to as the law of inertia. The law states that an object that is at rest will stay at rest unless an unbalanced force acts upon it‚ and vice-versa. If an object is moving and there is no force to move the object in a different
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CASE: Research in Motion (RIM) Introduction Research In Motion (RIM) is the company behind BlackBerry‚ one of the best-selling smartphone brands in the US. RIM first went public in 1997 and introduced BlackBerry as a paging device that allowed user to read emails. Soon‚ BlackBerry evolved into a full blown smartphone: a call‚ text‚ email capable organizer. It first gained ground in the business community and government‚ with its high-se curity and essential business features. BlackBerry was
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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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Case Study- Research in Motion (RIM) “Leading the Way the World Communicates” “It is the partnership and teamwork that underpinned the company and transformed the world!” The blackberry has challenged a number of very basic concepts in work and life. It eliminates distance and time and challenges the boundaries between work and home. It has enabled us to do things that would have been impossible 10 years ago. As a company itself RIM breaks the status quo by encouraging teamwork‚ empowering
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Lab II: Description of Motion in Two Dimensions‚ Problem III: Projectile Motion and Velocity John Greavu February 13‚ 2013 Physics 1301W‚ Professor: Evan Frodermann‚ TA: Mark Pepin Introduction "A toy company has hired you to produce an instructional videotape for would-be jugglers. To plan the videotape‚ you decide to separately determine how the horizontal and vertical components of a ball’s velocity change as it flies through the air. To catch the ball‚ a juggler must be able to predict its position
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The Drawing of Nation State Boundaries in Rwanda (WORD COUNT: 766) The drawing of Nation State boundaries in Sub-Saharan Africa didn’t take tribes‚ religious or regional groups into account. This consequently led to the mistreatment of some groups by others‚ which eventually led to the majority of reasons causing civil war and strife. These drastic events stopped economic growth and perpetuated 3rd world poverty. The European powers didn’t start laying claim on Africa until the second half of
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