Measuring the Density of Ball Bearings/ Density Aaysha Dawood Chem 1211L-198 September 7‚ 2012 Procedure: The procedure for this lab was taken from the lab manual below: Block/McKelvy (2012). Laboratory Experiments for Chem 1211L & 1212L Cengage Learning (7th ed.)‚ p. 5-19 (Measuring the Density of Ball Bearings/Density). No changes occurred that were different from the procedure listed above. Data: Measuring the Density if Ball Bearings | Ball 1 | Ball 2 | Ball 3 | Ball 4 |
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An air track is an apparatus that simulates the effects of frictionless motion. A known mass is attached to an air-cart on an air-track apparatus. Attached by string‚ the air-cart is pulled by the known mass when hung over a pulley. A spark timer will mark the motion at a frequency of 10 Hz (10 dots/s) on a strip of paper called ticker tape. The air-track will supply air through the apparatus to simulate a frictionless environment‚ enabling the system of masses to move without an applied force or
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Collisions may involve many different qualities but momentum is a main aspect of a collision. There are three main types of collisions: elastic collisions‚ inelastic collisions‚ and completely inelastic collisions. All collisions involve momentum because momentum is conserved in all collisions. Momentum is also known as mass in motion and a vector. Momentum equals mass times velocity‚ which is found during a collision. Momentum is an important part during a collision because it determines the outcome
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The purpose of this lab was to learn about Newton’s laws of motion by completing an experiment‚ to see how the forces act on objects. The independent variable of this experiment is the type and amount of materials used for the interior of the vehicle (out of the material list) and how they were used. The dependent variable is how and if the interior of the vehicle protected the egg from getting cracked. The controlled variables of this experiment were the height that the vehicle was dropped from
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Name: Madison Campbell Partner George Tauber Title: Forces Table Introduction: The purpose of this week’s lab‚ titled “Forces Table”‚ was to look at vectors in two dimensions. The lab was also used to help up understand how to sum up forces and the decomposition. In our experiment‚ we had to estimate a third force that would balance out our other two. This would then make the sum of the forces zero. To calculate our forces we used Newton’s Second Law below: (1) In the above equation‚ the ƩF represents
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Argument: Acceleration is caused by two factors‚ mass and force. The graph above shows the relationship between acceleration and force as proportional. As the force upon the car in the experiment increased‚ the acceleration of the car increased by a similar proportional. This complies with Isaac Newton’s second law of motion‚ the law of acceleration‚ which describes acceleration and force as two proportional measures in the equation F (force) = m(mass) x Ac(acceleration)‚ also described in
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STARWARD ACADEMY WORKSHEET # 2 MOMENTUM DUE: 1. Calculate the momentum of an object if: (a) its mass is 4.0 kg and its velocity is 8.0 ms-1 (b) its mass is 500 kg and its velocity is 3.0 kms-1 (c) a force of 20 N is applied to it for 6.0 s and it moves from rest (d) its mass is 2.0 kg and it falls from rest for 10 s (assuming g = 10 ms-1 or 10 Nkg-1). 2. A car of 1200 kg is pushed along a level road by two men. If they use a force of 800 N and frictional forces acting against
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Frank and Alex in a tug-of-war • Draw the free body diagram on the back of your sheet or your notes for Frank winning (accelerating away) a tugof-war with Alex – Draw Frank and Alex as separate objects‚ with forces acting on each – How many forces are there on each? – Identify Newton’s 3rd law pairs – Identify Newton’s 2nd law relationships 1 Frank and Alex in a tug-of-war • Draw the free body diagram on the back of your sheet or your notes for Frank winning (accelerating away)
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Objective In this experiment the purpose is to study the period of the pendulum with different masses. Secondly to also study the relationship in the different lengths of the string and how it affects the period. Thirdly to find the different (time) periods in the changes in the arc size. Theory If the pendulum is set ‚ the force of the motion is used to swing back and forth . where the t period is the time the pendulum takes to complete a cycle of oscillation. As t-1/f the complete distance of
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In this article the influence of the important resistance spot welding process parameters on the shear-tensile strength of the welded joints of Inconel alloy 625 was investigated. Experimental study using full factorial design of the welding current‚ welding time‚ and electrode force parameters was conducted. In order to identify the influence of each parameter and their interaction a general linear model and a second order model using response surface method was developed. Nonlinear correlation
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