reaching a height of 63 m in 8 s. * Speed at height 63 - 2x63/8 = answer What is the acceleration= answer/8 * If you were to drop a rock from a tall building‚ assuming that it had not yet hit the ground‚ and neglecting air resistance‚ after 5.5 s; * How fast? 5.5x10 * How far? Half gravity = 5x5.5^2 * A 1200 kg racing car accelerates from rest at a constant rate and covers a distance of 400 m in 10 s. What is the car’s acceleration? (in m/s2) 400/10 = 40/10 = 4x2 = 8 If you throw
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Normal psychology is the study that gives focus on the normal or average human behavior according to the socially acceptable behaviors‚ practices and traits. In contrast‚ abnormal psychology is the study that deals with unusual human behaviors that people deem are against the socially accepted behaviors and that includes mental disorders. Differentiating the two however‚ needs careful study because it involves human judgment which may or may not be necessarily correct. To aptly define and contrast
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Generally‚ artificial sand making production line has a simple gravel screening process ‚ with level adjustment process‚ sand fineness modulus adjustment processes. Thus ‚ according to Henan Machinery Co.‚ Ltd. to develop much needed gravel industry ‚ saw the opportunity ‚ vigorously develop innovation and mining machinery and equipment upgrades . Henan Machinery Co.‚ Ltd. can offer to develop a variety of stone production line according to customer requirements for engineering detailed stone and
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NORMAL DISTRIBUTION 1. Find the distribution: a. b. c. d. e. f. following probabilities‚ the random variable Z has standard normal P (0< Z < 1.43) P (0.11 < Z < 1.98) P (-0.39 < Z < 1.22) P (Z < 0.92) P (Z > -1.78) P (Z < -2.08) 2. Determine the areas under the standard normal curve between –z and +z: ♦ z = 0.5 ♦ z = 2.0 Find the two values of z in standard normal distribution so that: P(-z < Z < +z) = 0.84 3. At a university‚ the average height of 500 students of a course is 1.70 m; the standard
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LIUC Corso di Gestione della Produzione e della Logistica. Docente : Prof. Claudio Sella Un caso di reingegnerizzazione dei processi Claire Brabowski- Executive Vice President of Worldwide Systems “It actually started probably in the early 1980’s‚ where we were struggling in the United States‚ to meet our own standards operationally in the restaurant. So we had come in to do a graded visit on the restaurant and a restaurant that we normally thought of as very good couldn’t meet some of the standards
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(“Dictionary”) Throughout history there have always been textbook example of such occurrences; Such as in the Jamestown Colony and the Donner Party. Both were horrific accounts of occurrences due to lack of hindsight and a hint of both ignorance and arrogance. Furthermore they were very preventable. Regardless of that there was still legal measures that had to be taken
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Application of Normal mode calculations in optical spectroscopy | Phym 221 – Assignment 4 1. Introduction Normal modes are used to describe the different vibration motion in molecules. There are different types of modes for molecules in different motions and each has a certain symmetry associated with it. 2. Overview of Normal Modes Generally‚ normal modes are independent atoms in a molecule that are in motion such that they do not disturb the motion of the other molecules. Normal modes as implied
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Normal Distribution It is important because of Central Limit Theorem (CTL)‚ the CTL said that Sum up a lot of i.i.d random variables the shape of the distribution will looks like Normal. Normal P.D.F Now we want to find c This integral has been proved that it cannot have close form solution. However‚ someone gives an idea that looks stupid but actually very brilliant by multiply two of them. reminds the function of circle which we can replace them to polar coordinate Thus Mean
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random will be between 19 and 31 is about 0.95. This area (probability) is shown fir the X values and for the z values. σ = 3 0.95 σ = 1 0.95 X 19 25 31 -2 0 +2 Normal curve showing Standard normal curve showing area between 19 and 31 area between -2 and +2 Entry to a certain University is determined by a national test. The scores on this test are normally distributed with a mean of 500 and a standard deviation of 100
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deviation =10.59 3. If the variance is 846‚ what is the standard deviation? Solution: standard deviation = square root of variance = sqrt(846) = 29.086 4. If we have the following data 34‚ 38‚ 22‚ 21‚ 29‚ 37‚ 40‚ 41‚ 22‚ 20‚ 49‚ 47‚ 20‚ 31‚ 34‚ 66 Draw a stem and leaf. Discuss the shape of the distribution. Solution: 2 3 4 5 6 | | | | | 219200 48714 0197 6 This distribution is right skewed (positively skewed) because the “tail” extends to the right. 5. What type of relationship is shown by this
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