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2 pages (500 words)

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... _ ...Fr = – cv, where coefficient c is called the damping constant. Thus the total of the forces acting on an object falling through atmosphere in a homogeneous field of gravity, moving only along the vertical axis, is expressed as F = Fr + Fg. All forces and velocities are considered positive when acting in the up direction and negative otherwise. Force of gravity equals Fg = – mg.
According to Newtons second law, the force acting on an object compels it to move with an acceleration equal that force divided by the objects mass, i.e. a = . Acceleration is defined as the first derivative of velocity by time. Therefore we have
In the lab, various combinations of coffee filters were used...

Skydiving

2 pages (500 words)
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... Skydiving Skydiving is a popular sport involving individuals jumping off from a high place, usually an airplane, and falling down several thousand feet. It is an adrenaline-based sport which involves the use of parachutes to ensure safe landing. The parachutes help in slowing down the speed of the skydiver gradually to help them achieve a safe and smooth landing. (Lenaker 2002)
Skydiving is a purely physical sport and we need to understand a number of concepts of physics in order to fully understand how this sport works. When the skydiver first takes the leap, he tends to accelerate at a high speed. The reason behind this is the force of gravity. This gravity results in an acceleration of 9.8 m/s^2. ...

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1 pages (250 words)

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... and Air Resistance Friction and Air Resistance Big Horn Sheep The reason as to why human beings need to put on shoes with a specific type of soles is to be able to get large forces of friction between the rocks they are climbing and their shoes. Lack of enough friction between the ground and the feet soles results in having a hard time while walking on slippery grounds. The big question is why the big horn sheep does not fall while climbing the wet rocks? The bighorn sheep makes its initial contact with a rock or any other surface using its rear section found in its cloven hoof, which is the region where the two hoof digits join. The narrowness of this region enables it to allow the penetration of ...

Parachute jump

3 pages (750 words)

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... Lecturer “Felix’s Free Fall” Felix Baumgartner an Austrian skydiver on the 14th October set a world record for skydiving about over 39 Kilometers. Felix jumped to Earth from a helium balloon that had risen to the stratosphere. He reached a speed of 1,342 k/hr. He broke the sound barrier during this exercise becoming the first to do so without assistance from a vehicular power. He descended with a parachute recording the greatest free fall velocity in history of skydiving. This case study brings us to the physics discussion of free fall and the factors involved (Heitzmann, 24)
From the Newton laws of motion, a free fall is the motion which involves the weight of a body as the only body is the only fo...

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SCIENCE

4 pages (1000 words)

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... Affects How Parachutes Fall? Roll No: Teacher: What affects how parachutes fall? Every phenomenon that wecan observe and inform about nowadays has its scientific explanation and with the help of this explanation, the reasons about the happening of a certain action can be known. Everything that falls towards the earth has some forces that drag it to the earth. Parachutes can be taken as an example of falling objects towards earth. However, parachutes do not fall themselves, they are made to fall (Singh 2009). There are certain forces that affect the falling of a parachute. Parachutes do not fall freely because of presence of certain resistances that hinder the movement of a parachute towards earth...

Max power transfer theorem and kirkchhoffs laws

4 pages (1000 words)

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... Power Transfer Theorem and Kirchhoff’s law Experiment The maximum Power transfer Introduction The theorem of maximum power transfer posits that for a maximum power to be obtained from a source having a finite internal resistance, the load resistance should be equated to the source observed from the terminal output. It leads to the production of maximum transfer of power. When the load resistance is greater than the source resistance, the efficiency would be higher because a high percentage of the source would be moved to the load. The magnitude of load power would be low due to the resistance in the circuit that increases. Whenever the resistance of the load reduces, most of the power will be...

Computing and Programming with MATLAB

4 pages (1000 words)

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... AND PROGRAMMING WITH MATLAB By Computing and Programming with MATLAB
INTRODUCTION
Two scenarios are being investigated, one of linear horizontal motion and that of linear vertical acceleration. In traveling through air, the beetle will experience upwards and gravitational force acting downwards. Therefore, to estimate the final velocity of the beetle we need to incorporate the drag force due to air resistance and the gravitational component of the velocity for the beetle to fall one mile below. Determination of the Velocity of the porsch is by empirical and mathematical equations of linear motion. In solving for the freefall velocity of the beetle, we shall make use of the MATLAB high level programmi...

Investigating the physics of basketball

5 pages (1250 words)
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... Investigating the Physics of Basketball Introduction This paper explores specific principles of physics that find application in basketball. The principles include projectile motion and gravity, moment of forces and stability, momentum and collision and viscous drag. It examines how equations related to these principles can be used to improve the game of basketball or make decisions. Projectile motion equations can be used to determine optimal angle at which the ball can be thrown in order to score. Moment of force and stability can be used to calculate critical angle at which if a player tilt past, he or she falls. Concepts of momentum and collision are helpful in studying the behavior of ball when ...

Conservation of momentum

1 pages (250 words)
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... Conservation of Momentum. Analysis of data. Part Average height of the center of gravity rise is given by; Average = total quantity /number of quantities
h = 84.7cm or 0.847m
Velocity v would be given as;
V= √2gh = √(2x 9.8x 0.847) = 4.074m/s
V= (M +m /m) x 4.074
V=(0.1943+0.0577/0.0577)x 4.074 = 17.79m/s
Part 2.
The average range is given by the total quantity / number of quantities. This would be given as; X = (252.5+259.8+264.5+ 263.4+ 275.5)/5 = 263.14cm or 2.631m According to equation 9
V=x/t=x/√(2y/g) = x√(g/2y) = 2.631√(9.8/2x0.847) = 6.328m/s The muzzle velocity calculated by equation 9 is almost half that calculated by equation 6. This is due to the errors during the experiment. In this expe...

Science Lab Research, Predictions, & Observations

2 pages (500 words)

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... Newton’s Second Law – Conducting an Experiment Newton’s Second Law involves force and mass as being the main variables that impact how an object obeys gravity and falls. Therefore, when a heavy rock and a feather are dropped at the surface of the earth, they are going to drop at different speeds. The feather is going to flutter and float gently in the friction of the air, and stay in the air longer than the rock, even if they are the same size. The feather has less inertia than the rock, so it does not want to drop straight down. The rock also falls faster, because they have different masses: the rock has more mass than the feather, and therefore it falls more quickly when it is within the...

Enginering Science

4 pages (1000 words)

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... CRITERIA Analyse static engineering systems Determine distribution of shear force, moment and stress due to bending in simply supported beams
2. select standard rolled steel sections for beams and columns to satisfy given specifications
3. determine the distribution of shear stress and the angular deflection due to torsion in circular shafts
2 Analyse dynamic engineering systems.
4. determine the behaviour of dynamic mechanical systems in which uniform acceleration is present
5. determine the effects of energy transfer in mechanical systems
6. determine the behaviour of oscillating mechanical systems
P1
P2
P3
P4
P5
P6
M1
M2
D1
D2
Grade awarded
Grading guidance
This assignmen...

Electromagnetic induction

4 pages (1000 words)

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... Electromagnetic Induction Electromagnetic induction is a principle, which predicts the behaviour of the electric currentswhenever they interact with the magnetic field in the production of the electromotive force. It is a basic principle of operation for many types of electric devices such as motors. In order to understand the characteristics of induction, an experiment set out to investigate the operation of electromagnetic induction. The prime aim of this experiment was to investigate the magnets and coils behaviour, to test Lenz’s law and Faraday’s law, and to test the transformers behaviour. Introduction Electromagnetic induction involves the electric current produced across a conductor that...

Building a Catupult Research Paper

3 pages (750 words)

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... The angle of the throwing arm was initially stopping at an angle of 90°, so as soon as the ball was launched gravity pulled it and it fell down, this angle of the throwing arm was adjusted accordingly for proper launch so that the ball went straight. 2. Mount the throwing arm on a piece lying on the bottom of the arm. 3. Mount the cup for holding the ball at the end of the throwing arm. 4. The barrier support was not strong enough to hold 60 lb force with which the bungie pulled the arm up with. Choose stronger type of wood that can bear the force and does not get ripped to make the barrier Analysis 1. Range : The range is the distance covered by the ball after launch. The maximum range for...

Investigation#4:Initial Velocity of a Projectile

1 pages (250 words)

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... A projectile is any object that is cast, heaved, hurled and pitched or thrown from space or from the atmosphere. The path of a projectile is called its trajectory. An example of a projectile can be a moving airplane in the air with its engines and wings disabled. The force acting on the projectile is known as gravity the effects of other forces are minimal. Projectile usually has an initial non-zero horizontal velocity whose acceleration is due to gravity alone. An object can also ceased to a projectile once any real effect is made to change its trajectory
Total time for which the projectile remains in the air is called Time of flight.
After the fight, Projectile returns to horizontal axis, so y=0
Th...

History class

1 pages (250 words)

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... of the of the History “Galileo” Galileo Galilee (1564-1642) was born in Pisa and he belonged to the era of scientific revolution. It was a period which changed the thoughts and thinking patterns of many individuals. Galileo found that the Earth was not flat, but round. He was one of the greatest scientists of all times and his discovery lead to the discovery of gravity. Galileo also discovered the law of pendulum and the scientist of this era relied heavily on experiments and investigations to prove their theories and laws (Halay). Galileo was interested in the field of mathematics and science and he fulfilled his aim when he became an aspiring scientist.
Galileo contributed a lot in the development...

Logic and Science

1 pages (250 words)

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... and Science A Scientific hypothesis represents arguments which can be experimented and tested o either be true or not and if an argument cannot be tested or observational tests conducted on it is not scientific. This means that a scientific hypothesis is supposed to create some forecasts.
Example of a scientific hypothesis: “When two objects are dropped from the same height, they will hit the ground simultaneously provided that air resistance is constant”
By confirming the hypothesis one quickly comes to a conclusion by just dropping two items and if they both hit the ground at the same time then the hypothesis holds true.
Karl Poppers strategy of disconfirmation can be used to test the above hypothe...

Simple Harmonic Motoion

2 pages (500 words)

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... Simple Harmonic Motion Objectives of the experiment. The main objectives of this experiment include: To construct simple pendulums, and find their periods.
To generate values for (Ag) the free fall acceleration.
To evaluate the relationships between length and period for different pendulums.
Introduction.
Simple harmonic motion involves an oscillating motion where by the restoring force is proportional to the displacement. When a system is set in a to and fro motion, a periodic motion is produced. This is referred to as vibration. When a body is at rest, it is said to be at its equilibrium position. For any vibration to occur, a restoring force must be in existence. In this respect, a restoring force...

Determination of principle stress

5 pages (1250 words)
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... of Principle Stress Determination of Principle Stress In mechanical science, it is always important to determine the maximum normal stress that is induced at a certain point. But there are cases where there can be multiple number of planes that pass through a point. This way, the normal stress on each of the plane differs from one another. However, in one plane, normal stress value may be of a maximum value. Such a plane is referred to as the principal plane or maximum principal plane. On the other hand, the normal stress along this plane is referred to as the principle stress or the maximum principle stress. Likewise, the value of normal stress be maximum in another plane. This plane is known as...

Equations of Motion

7 pages (1750 words)

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... Equation of motion: Simple Harmonic Motion Objectives of the experiment. The main objectives of this experiment include: To construct simple pendulums, and find their periods. To generate values for (Ag) the free fall acceleration. To evaluate the relationships between length and period for different pendulums. Introduction. Simple harmonic motion involves an oscillating motion where by the restoring force is proportional to the displacement. When a system is set in a to and fro motion, a periodic motion is produced. This is referred to as vibration. When a body is at rest, it is said to be at its equilibrium position. For any vibration to occur, a restoring force must be in existence. In this...

How effective was the Israeli air-land itegration during the Six Day War

8 pages (2000 words)

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... effective was the Israeli air-land integration during the Six Day War? Introduction: The Six Day War initiated the exceptional rapport between Israel and the United States of America. The Six Day War that exploded on June 5th, 1967, was an intense event in Middle Eastern history that restructured the political backdrop of the region and re-sketched the borders of the state of Israel. But its outcomes are far wider attaining. In its lightning success against the Soviet-borne Arab territories of Egypt mid Syria, and the pro-Western realm of Jordan, Israel not only redrafted the political and armed topography of the Middle East, it stepped up the tempo of cultural recognition between Israel and...

Luigi Russolos Dynamism of a Car

3 pages (750 words)

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... Formal Analysis on Luigi Russolo’s Dynamism of a Car Luigi Russolo’s painting Dynamism of a Car was developed in 1912 with a futuristic idea. The painting was inspired by futuristic innovations showing dynamism and the method of multiplying the profile to capture the aspect of time and movement. In the painting vibrant colors are used to represent and emphasize the rapid motion of the figure (car), thereby highlighting the sense of speed.
In Dynamism of a Car (1912), Russolo expresses the aspect of dynamism of the automobile through movement. As a futurist, Russolo is concerned with the representation of movement inherent in the society at that time and the promise it has of the future. In the paint...

Sam 322 unit 5

1 pages (250 words)

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... 322 Unit 5 Affiliation Relationship between kinesiology and biomechanics Kinesiology is the study of human body movement across a variety of assignment including exercise, play, sport, daily living and work (Wuest & Fisette). The primary aim of studying kinesiology are; to understanding the diverse adaptations to the human body to chronic physical activity; appreciate the mechanical qualities of movement, and understand the procedures that control human body motions and factors that affect the acquisition of more skills. Biomechanics, on the other hand, is the scientific study of the living body mechanics (Wuest & Fisette). It is the study of the forces produced by muscle movements and gravity on...

MOTION: GRAVITATIONAL ACCELERATION

1 pages (250 words)

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... Gravitational acceleration Motion: gravitational acceleration The principal aim of this experiment was to determine the acceleration due to the earths gravity. A motion detector was used in the lab to study the motion of the track moving along an inclined plane plotting the velocity-time and acceleration-time graphs of the track motion. G was experimentally determined as which was lower than the theoretical.
Introduction
It is well known that every object on the earth’s surface experiences a downward force due to the earth’s gravitational field. Due to this force of gravity, all objects above the earth’s surface will fall towards the earth’s center with a constant acceleration. In this experiment, e...

Linear Motion In One Dimension

2 pages (500 words)

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... PHY 231 Linear Motion in One Dimension Purpose The purpose of this experiment is to verify the equations describing linear motion in one dimension.
Abstract
The motion of gliders on the air tracks was studied. Using air tracks made it possible to assume the absence of friction during motion. Motion sensors were used in monitoring the position of the glider with respect to time and the results recorded by use of the portable data loggers. After collection, the data was loaded to computers for purposes of analysis using DataStudio software.
Background
Every object fall with a similar gravitational acceleration assuming there is no air resistance. An object thrown downward or upward and one released f...

Physical Science

2 pages (500 words)

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... Number Paper Science misconceptions and how they are formed Science Misconceptions also known as naive theories or conceptual misunderstanding can be viewed as preconceived notions or misunderstandings on the conceptual state of existence in the field of science. These are the cases in which a concept a person knows and/or believes do not reflect what is known to be scientifically correct. They are formed when a person in the process of learning erroneously picks incorrect information and settles on it. The difficulty misconceptions presents in the learning and understanding of science concepts is that the affected persons continue to build their knowledge based on their current misunderstandings...

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