There is a number of different possible reasons that energy could have been lost in our car: some of the air in the balloon may have escaped through the gaps between the balloon and the straws‚ this might have slowed down the car by a fraction. The friction from the wheels may have resulted in loss of energy. The aerodynamics of the car could have altered the speed‚ but in this experiment I don’t think this would have mattered that much judging by the speed and the scale of the car. I think the most
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To what extent do you agree that river landforms can be classified as either erosional or depositional? Many different landforms are made by either deposition or erosion and there are some cases where they can be classified as both. Erosional landforms are caused by erosion which is the breaking down and transportation of particles from one area to another. Depositional landforms are made when particles are deposited somewhere else. In my opinion I think that river landforms can be classified
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singing "or asking directly his wife"Are you well today? ". However‚ it had been several times revealed that his wife knew about his affair and she was afraid of him‚ also there was friction among them because of the affair. This is expressed in mainly indirect thoughts of her in the stage directions: "she doesn’t want friction‚ and yet she must"‚ "quietly‚ fearing to anger him by prodding" or "with her courage now". All of them shows carefulness from the wife‚ so these suggests the strong and angry nature
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Evolution of Welding Welding? Yes‚ welding have you ever wonder how it has been revolutionised throughout the years. The man who created welding was Edmund Davy with the help of Sir. Humphry Davy in the late 1800’s. As the years go on the technique of weld was further advanced. With the evolution of welding many of the ways created back in the start have been adjusted and also have been modified for the use for the everyday welder. Welding is a very difficult and hard working job that can take a
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extent that there is audible friction during the production of that sound. But in case of the production of vowels as there is no closure and no narrowing of the air passage to the extent that it may produce audible friction both articulatory and auditory terms are used to describe and classify them. In Phonetic terms vowels are speech sounds in the production of which there is no obstruction or closure and no narrowing of a degree that would cause audible friction in the pharynx and the mouth.
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Masses and Springs 1. Spring Constant K1 = F/x1 = (.05kg)(9.8 N/kg) = 9.8 N/m .05m K2 = F/x2 = (.1kg)(9.8 N/kg) = 9.8 N/m .1m K3 = F/x3 = (.25kg)(9.8 N/kg) = 9.8 N/m .25m K avg. = 9.8 N/m 2. Unknown Masses Green: m = kx = 9.8 * .07 = .07kg = 70g g 9.8 Gold: m = kx = 9.8 * .155 = .155kg = 155g g 9.8 Red: m = kx = 9.8 * .3
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Mousetrap Car Report What sources of friction (both good and bad) does one need to consider in designing an effective mouse trap car? Try to come up with at least four [4] Explain how Newton’s first‚ second and third laws apply to the performance of your car [3] First Law: An object in motion will stay in motion‚ and object at rest will stay at rest unless acted upon by an outside force. In other words‚ the mouse trap car will not move unless an outside force will cause it to move
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slow down the initial acceleration‚ but the car would travel a longer distance due to increased momentum‚ which might overcome kinetic friction. Rationale: Some reasons of why that it was thought that the more weight added to the car would increase the overall distance travelled is because in order to stop the Lego car with an example of 40g in it‚ kinetic friction and the force of gravity will have to work harder to slow the car down‚ due to Newton’s law of motion. “Objects in motion tend to stay
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Laura Cortez Science Per. D 11/28/12 Soccer Ball Lab I. INTRODUCTION Speed‚ distance‚ time‚ and acceleration are all very complex formulas that are interdependent. These formulas are measured in motion data and used to determine the final instantaneous speed‚ distance‚ time‚ and acceleration. Distance and time are two formulas that are used to determine speed and time. For example‚ distance equals speed multiplied with time given‚ time equals distance divided by speed‚ and speed is
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CHAPTER 1 INTRODUCTION The seismic force-resisting system of a building structure is composed of vertical elements‚ horizontal elements‚ and the foundation (Fig.1.1). The vertical elements extend between the foundation and the elevated levels‚ providing a continuous load path to transmit gravity and seismic forces from the upper levels to the foundation. The horizontal elements typically consist of diaphragms‚ including collectors. Diaphragms transmit inertial forces from the floor system to the
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