Aim: To determine the relationship between the length of eureka wire‚ and resistivity of the wire. Hypothesis: As the length of the wire increases‚ the resistance of the wire will increase. Background: Some materials have consistent resistance at the same temperature regardless of how much voltage is applied through them‚ these materials are known as ‘Ohmic’ resistors. This is because they are said to obey Ohm’s law‚ which states that if a voltmetre is used to measure the voltage (V) of
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Well‚ sometimes it is easy to measure two lengths of a right triangle‚ and not so easy to measure the third length. Using the Pythagorean Theorem‚ we could calculate the third length. Suppose I wanted to know the length of the diagonal of a standard sheet of loose leaf paper. The teacher will ask the class what are the dimensions of a standard piece of loose leaf. Then the teacher will ask the class could the Pythagorean Theorem be used to find the length of that diagonal. The teacher would ask
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[pic] A parallelogram is a quadrilateral in which pairs of opposite sides are parallel and are congruent. Opposite sides are parallel and equal in length‚ and opposite angles are equal (angles "a" are the same‚ and angles "b" are the same) NOTE: Squares‚ Rectangles and Rhombuses are all Parallelograms! Name the kind of parallelogram this figure displays? Example 1: [pic] |[pic] |A parallelogram with: | |
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this the computation of the experimental coefficient of ΔL= Lo α Δtfor linear expansion. The other values where just measured and recorded directly. Table 301: Trial/Type of Tube Initial Length of Tube‚ Lo Initial Resistance of Thermistor at Room Temp‚ Rm Initial Temperature‚ trm Change in Length of Tube‚ ΔL Resistance of Thermistor at Final Temp.Rhot Final Temperature of the tube‚ thot Change in temperature of the Tube‚ (thot-trm) Experimental Coefficient of Linear Expansionαexp Actual Coefficient
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The hypotheses that was tested in this experiment was diet explicitly comparing between herbivores and carnivores will determine eye size and mandible length. The null hypothesis for this experiment is that there will be no difference in jaw length and eye length when comparing carnivores and herbivores. The prediction for this experiment is that herbivores will have larger eye diameter in order to locate predators and carnivores will have shorter stronger
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between the length of a cantilever‚ which may give some insight into the physics of cantilevers. Hypothesis: If one increases the length of a cantilever‚ one would expect there to be an increase in deflection/flexion of the cantilever. Similarly‚ if one increases the mass of the load‚ one would expect there to be an increase in the deflexion/flexion of the cantilever. In addition‚ I predict that proportionality will also occur between the independent and dependent variables. If the length of the cantilever
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Discussion: The objective of the first article investigated stride length‚ stride frequency‚ ground contact‚ and flight times for three different conditions; running barefoot‚ running in minimalist shoes‚ and running in conventional running shoes. The results of the study showed that the stride duration in barefoot running was less than the stride duration in the traditional or minimalist shoe running. Overall the results also showed that the traditional shoes had a longer stride duration when
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females can estimate size more accurate. But there are many factors to affect the results. For example‚ everybody stay at the different location‚ so everybody have not equal distance from me. So maybe everybody have different fells for the subject length. According this experiment‚ it show the thing estimated too less‚ and it show many factor to affect the result. 1.0 Introduction This research is going to find males and females different abilities when estimating size. Our eye of ability to estimating
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or slower‚ I would prepare several masses (e.g. 20g‚ 50g‚ 100g‚ 200g‚ etc.) that can be attached to a string‚ several strings of varying lengths from 0.1m to 1.0m that are strong enough to support the weight of the masses‚ support for each pendulum‚ a stopwatch‚ and a measuring tool such as a meter stick. Using such materials‚ I would try to measure the length of the pendulum‚ the number of cycles the pendulum goes back and forth‚ the time it takes for the pendulum to do so‚ and the variables that
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