# Elastic collision

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blueberries change its properties after some time. So, the device will use their properties as its working methodology. Then it will select fresh blueberries on the basis of their properties. Theory: As blueberries age or become bruised, they tend to soften. Therefore, their coefficient of restitution decreases. First we need to understand what is coefficient of restitution. Coefficient of Restitution: COR is the extent of restitution of an impact between two objects. Also, for the kinetic energy how long it remains for the objects to bounce from each other. COR = e = (Relative velocity after collision)/(Relative velocity before collision) Range of Coefficient of Restitution: For COR range, it’s between 0 and 1.0. e = 0: Perfectly inelastic. The items don 't move separated after the impact. 0 < e < 1: Inelastic. Kinetic energy disappears. e = 1: Perfectly elastic. Kinetic energy remains. e < 0: When velocity of share equal directions. e > 1: When energy is free. Mathematical Expressions: Coefficient of restitution: e = (Vb-Va)/(Ub-Ua) Object’s velocity after impact: e = V/U Design: The form of design is shown in the figure below. Explanation: Here, blueberries are dropped from a height of 5 ft on an inclined plane. If the blueberry is fresh one, it will bounce back with huge force and will go above the hurdle of height “h” direct into a collecting bucket. If the blueberry is bruised or aged,…

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if one object loses momentum the other object must gain an equal amount of momentum. An isolated system is one which the only forces are between the bodies that are colliding or exploding, no outside forces must be acting. (M.Mann, 2013) Investigative Question: Is momentum conserved during the collision of a brick and a trolley? Hypothesis: The momentum of the trolley before the collision will be equal to the…

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safer. The question that comes to mind when seeing these statistics on car accident fatalities is how many of them could have been prevented? And if possible, what methods would be used to do so? Well, the purpose of this paper is to indicate the changes that would be made and how to try to change them. This will be accomplished through three points: one, making a mandatory driving class, this would raise awareness. Two, every Ga resident, regardless of age, must renew their license every year,…

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and driving, the person behind the wheel probably will not notice that they are about to crash until it happens and it 's too late to prevent the accident. The driver then feels guilty for what has happened and the family is left to grieve over the loss of their loved one. It it said that both teens and adults are guilty of texting and driving but almost half of those that admit it will not stop. The minimum amount of time it takes to crash a car without looking is approximately 5…

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Did you know that according to “Injury Prevention and Control” that more than 9 people are killed in a car crash every single day and more than 1,153 people are injured in the U.S. because of car crashes involved with distracted driving? What exactly is distractive driving? Distractive driving is doing anything to take your eyes away from the road and not focusing on driving the vehicle. Such as using a cell phone, texting, eating, using a GPS, etc. Car crashes are terrifying! Why…

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message is more important than devoting their complete attention to maneuvering around the road. In addition, unsafe driving behaviors such as speeding, cutting off another driver, or driving under the influence are all link to an individual’s personal ambition to get from starting and ending destination quicker. Unsafe drivers choose to priorities their personal endeavor over other’s safety. The wording used in this advertisement is used to encourage the viewers to associate car accidents is a…

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An Accident Waiting to Happen In life, an innocent bystander, parent, or friend may receive news that changes their life forever. A death of a loved one is something that can drop anyone to their knees in agony. Karl Shapiro’s “Auto Wreck” faces the hard truth that is involved in a car accident. In summary, “Auto Wreck” is a gut-wrenching retelling of a brutal mishap in which two cars collide in a fatal accident. The poem concludes on a more philosophical note explaining the certainty that is…

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What texting and driving has done and caused with teenagers and adults in america today? Texting, looking, dialing, and talking on your phone while driving has caused over million auto crashes nationwide. Most of those crashes are caused by young teens between the ages of 16 - 19. The cause of why adults and young teens getting and causing car crashes and why those distractions can injure or end someone 's life. The stactices of auto crashes in the U.S , death and injury rate of people caused by…

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loose with the breeze trying to get inside the arm holes and lift the hem up around your waist. Then you’d sweat if there wasn’t a breeze, and the cotton crepe stuck on you like eleven herbs and spices, only on you the dress was almost transparent. You’d walk onto a patio, it was a great feeling, a million spotlights picking you out of the crowd, or walk into a restaurant when outside it was ninety degrees, and everyone would turn and look as if you’d just been awarded some major distinguished…

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A recent article by Forbes magazine discusses the crash dilemma for self-driving cars. The specificities change from time to time but the crash dilemma stems from the idea of whether or not a self-driving car, when faced with no other option, crash into a specific person or its latter. An example of this would be if the car should crash into a group of elderly women crossing the street or into a kid who’s running across the street because he is late for school. In situations like this, there is…

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