as plotting of the data on the graph. The velocity versus time graph came out to be a quadratic model‚ having a number of curves. Since this is based off of original measurements‚ any mistakes in measuring would have been multiplied when the velocity was calculated‚ so human error could be prevalent here as well. Conclusion Our hypothesis was only partially supported. The position versus time graph was a linear model‚ as predicted‚ but the velocity versus time graph was quadratic‚ not supporting
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initial height. A motion detector is mounted on the ceiling directly above the ball‚ facing down. So‚ the positive direction -- the away-from-the-detector direction -- is downward. Draw the position‚ velocity‚ and acceleration graphs. Since moving downward is a positive direction‚ is the velocity positive when the ball falls‚ 0 when it hits the ground‚ and then negative when it moves up? Is the accerlation positive (9.8) as the ball falls‚ very positive when it hits the ground‚ and then neg (almost
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Aerodynamics Parachutes work on the principles of gravity and air resistance and in effect‚ terminal velocity. Air resistance (air friction) Air resistance is an upward force exerted on a body while it is in the air and is the result of air molecules that come in contact with the surface of the falling object. This force attempts to counteract gravity and other downwards forces influencing a body. The amount of air resistance encountered by an object is dependent on two factors: speed of the object
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balance of forces is reached and the skydiver no longer accelerates and then reaches terminal velocity. The cross-sectional area of the skydiver in the spread eagle position encounters more air resistance than a skydiver who assumes the pencil-dive position. The greater cross-sectional area of a skydiver in the spread eagle position leads to a greater air resistance and a tendency to reach a slower terminal velocity. Once the skydiver leaves the aircraft‚ or plane‚ they leave a projectile motion and
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of the piece of the filter paper affect the terminal velocity for the cone to fall. The following will be kept constant meter ruler‚ stopwatch‚ and filter paper. Hypothesis: ‘If the sector size is the increase‚ then the terminal velocity will decrease.’ The reason is that if the sector size is bigger‚ the surface area of the cone will become smaller. If the surface area is smaller‚ than the friction will be less‚ so there will be less terminal velocity. Variables Table: Variables
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The scene in a busy airport terminal The roar of aircraft engines drowns out the sounds of excitement from the car park. Fumes from the cars pollute the surrounding air‚ overshadowing the smell of freshly cut grass. Solitary rays of sunlight beam through the transparent plastic covering of the exterior car park‚ reflecting off the metallic colouring of the people carrier below it. Enclosing the vehicle‚ a sea of suitcases surrounds a red-faced man‚ his stress levels rising with every bag he drags
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time‚ he was at a terminal velocity of approximately 700
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2+e2xa+e-2xa=(exa+e-xa)2 L=0b(exa+e-xa)2 dx L=0bexa+e-xa dx L=aexa-ae-xa0b L=aeba-ae-ba-(ae0a-ae-0a) L=aeba-ae-ba-(a-a) L=aeba-ae-ba L=a(eba-e-ba) ∴ The length of the arc in terms of a and b is L=aeba-e-ba Question 2 mdvdt=mg-kv2 Where: m=mass of body v=velocity g=acceleration due to gravity (9.8m/s) k=constant related to size and shape of object mdvdt=mg-kv2 mdv=mg-kv2 ×dt mdvmg-kv2=dt dt=mmg-kv2dv dt=m1mg-kv2dv mg-kv2 may also be expressed as mg2-kv22 =mg2-kv22 =mg2-kv2 ∴ Difference of two
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Q1. Figure 1 shows a solid cylindrical steel rod of length = 2.0 m and diameter D = 2.0 cm. What will be increase in its length when m = 80 kg block is attached to its bottom end? (Young’s modulus of steel = 1.9 × 1011 Pa) Fig# Answer: ∆L = FL mg = AY AY = = 0.0000262689 m A) B) C) D) E) 2.6 x 10-5 m 1.3 x 10-5 m 4.8 x 10-5 m 7.2 x 10-5 m 3.5 x 10-5 m Phys101 Term: 111 Final Tuesday‚ January 10‚ 2012 Code: 1 Page: 1 Q2. In Fig. 2‚ PQ is a horizontal uniform beam weighing
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Port and Terminal Operations GBTT 457 2010 Justin M Coody PORT OF HOUSTON 4/22/2010 Port and Terminal Operations GBTT 457 Justin Coody 23APR2010 The following information was obtained from the Port Authority of Houston’s main webpage. The port of Houston is a diverse collection of properties and facilities offering a wide range of services. The port of Houston has the equipment to handle everything from liquid cargo‚ food‚ and break bulk‚ to automobiles and ISO containers. The next three
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