A force can do one of four things to an object: 1. Make it speed up - accelerate. 2. Make it slow down - decelerate. 3. Change its direction. 4. Change its shape. If something is doing one of these four things there must be net force acting upon it. Newton’s First Law ’Every body continues in a state of rest or uniform motion unless acted upon by an external force.’ Something without net force acting on it will either stay still or move at a constant speed in a straight line until
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A2 Practical Investigations Title: The effect of Temperature on the growth of Aspergillus oryzae Develop a Hypothesis This particular investigation is to discover how a range of temperatures effects the growth rate of the fungi Aspergillus oryzae. Most fungi’s tend to survive within the temperature range of 5-35oC‚ with the optimum depending on their normal environmental temperature. The fungi Aspergillus oryzae is heterotrophic which means they taken in their food from dead organic matter and cannot
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Investigation into the photosynthetic activity of isolated chloroplasts from spinach beet to various light conditions. Introduction Chlorophyll‚ an important pigment in chloroplasts‚ is an essential component in photosynthesis; converting electromagnetic radiation from the sun into potential chemical energy. Photons excite electrons in chlorophyll which move through the electron transport chain‚ resulting in energy being stored in the bonds of ATP and NADPH. The flow of electron through the electron
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Enzyme Activity How does temperature affect enzyme activity? In this practical investigation‚ my aim is to discover how temperature will affect enzyme activity‚ by looking at the rate of reaction. I predict that the higher the temperature will be‚ the faster the reactions take place. However‚ I also think that there will be an optimum temperature‚ at which the reaction will work at its fastest; if the temperature goes beyond that‚ the reactions will stop altogether as the enzymes would have
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HOW TO FIND OUT POINT GROUP Dr. Cyriac Mathew Symmetry elements can combine in a definite number of ways. For example consider BF3 molecule. It has the C3 axis as the principal axis. Also‚ there are 3 C2 axes perpendicular to the C3 axis‚ 3 σv planes‚ and one σh plane. All these symmetry elements can combine. Take NH3. It also has C3 axis as principal axis. There are 3 σv planes‚ but no C2 perpendicular to C3 or a σh plane. For the N2F2 molecule there exist one C2 axis and a σh plane but
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ABSTRACT Determining the melting point of a solid organic compound is the easiest way to identify the compound and determine its purity at the same time. For actual samples of compounds‚ the melting will occur over a range of temperatures making the melting points into a melting “range”. The difference between the temperature at which the sample begins to melt and the temperature at which it finishes melting‚ or the magnitude of the melting range‚ is a very important criteria of determining the
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ON THE CONVERGENCE OF A CLASS OF INFEASIBLE INTERIOR-POINT METHODS FOR THE HORIZONTAL LINEAR COMPLEMENTARITY PROBLEM* YIN ZHANGt Abstract. Interior-point methods require strictly feasible points as starting points. In theory‚ this requirement does not seem to be particularly restrictive‚ but it can be costly in computation. To overcome this deficiency‚ most existing practical algorithms allow positive but infeasible starting points and seek feasibility and optimality simultaneously. Algorithms
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Body: Each of your supporting points in your defense will need a paragraph. State your point as a way of creating a topic sentence for an evidence paragraph. You’ll need at least three and probably no more than five. Each evidence paragraph should have specific support by way of facts‚ statistics‚ examples‚ or other details. You may use personal example as some of your supporting detail‚ but try to use more objective support as well. Body: Each of your supporting points in your defense will need a
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Essay on The Dramatic Point of View of "Hills Like White Elephants" This story‚ Hills Like White Elephants‚ is taken form the Objective (dramatic) point of view where the author is the narrator. The author doesn’t enter the mind of the characters at any time. He allows us only to see the characters as we would in real life. This is sometimes called the dramatic point of view. The only way we‚ the reader‚ learn anything about them is through what they say about themselves. If the story were
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variables when tested by a researcher is called: (Points : 1) | Null hypothesis Type I error Type II error Negative interval | 2. Bivariate statistics refers to the statistical analysis of the relationship between two variables. (Points : 1) | True False | 3. Positive relationships between two variables indicate that‚ as the score of one increases‚ the score of the other increases. (Points : 1) | True False |
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