In any amusement park, the roller coaster is usually the most popular ride. It was first built in Russia during the 16th century, ever since then, the roller coaster has been a hit. With the car slowly moving up the everlasting height of the hill, high enough to touch the clouds, and then rushing downwards through many loops and twists, is enough to keep one’s adrenaline pumping. But what is the secret of the roller coaster? How is it possible for it to work this way? The answer is science. Many
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Gabriel Faure’s Requiem includes seven movements – Introit et Kyrie, Offertoire, Sanctus, Pie Jesu, Agnus Dei, Libera me and In Paradisum. For this essay I will be focusing on the fourth movement of his Requiem, Op. 48, Pie Jesu (Blessed Jesus). He breaks the liturgical practice by positioning this text after the Sanctus rather than before the Offertory. Since there is no Benedictus, this prayer serves as a transition from Sanctus to Agnus Dei. Pie Jesu is the only movement with a soprano soloist
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Newton's 1st Law of Motion and inertia because the projectile will have more inertia if it has more mass, and the counterweight will have more inertia if it has a greater mass. Also, a trebuchet relates to Newton's Second Law of Motion because in this case, the acceleration of the projectile and long side of the beam is very influenced by its mass and the force applied to it. If the projectile has less mass, the acceleration would increase. On the other hand, a greater force on the projectile means a
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The BFS (bigger, faster, stronger) is a program created to increase an athlete performance by creating specific workouts that will improve strength, power, speed, agility, and flexibility. The athlete during the training period tries to break PR’s (personal records). These type of training is not for any regular person, it is an intense 4 weeks cycle in which the athlete trains 5 days per week and weight trains twice per week. The workouts are full body, movements that required the entire body to
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necessary materials. d. Weigh and record the mass of the wooden block. e.
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The data I will collect, is the moles and grams for each unknown compound, calculate the g/mol for the unknown compounds, and calculate the molar mass for the known compounds. To identify the unknown compounds, we first weighed all seven of the unknown bags. To find the weight of the unknown compound in the bag, we first subtracted the weight of the bag by first weighing an empty bag and pressing the zero button to zero out the weight of each for the seven unknown compounds. The mol of each unknown
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Discussion: The method by which the mass of a single object was calculated in part 1, is similar in many ways to the method by which the elementary charge was calculated in part 2. Once the relevant data set was either collected or calculated it was first ordered from greatest to least. Next, the first differences between consecutively ordered masses/charges were determined. Thirdly, first differences that were significantly closer to zero than the rest were removed from the data set. Fourthly
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The initial mass of aluminum was measured to be 0.22 grams. An estimated mass of alum of 3.866 grams was calculated(equation 3). After the reactions had taken place and the alum was created and filtrated, the total mass of the alum was 2.420 grams. This experimental lead to a percentage yield of 62.58%(equation 4). This low percentage yield means that we produced less alum than what was expected. This percentage yield is around what would be expected due to errors in the procedure. The reason that
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A force that we always have is gravity this is a force that slows objects down, Gravity creates weight, which is a constant, however to make a more energy efficient car, we need to reduce the mass, as the force from the mousetrap cannot be increased. The car speeds up from a force of kinetic energy that comes from we get our energy from chemical products that we put in our bodies. We pull the lever back using chemical energy and then hold the
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although in this case, the stored energy is known as ‘gravitational potential energy,’ as it is the force of gravity that converts the energy into different forms. The gravitational potential energy can be calculated using the formula mgh, in which m = mass of the object, g = gravitational force and h = height of the object. This formula is incredibly useful for our experiment, as we use it on multiple occasions to determine the energy before and after the tests, using this to find the energy efficiency
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