7.Area of Sectors and Segments.notebook Arcs‚ Sectors and Segments March 27‚ 2012 Arc - part of a circle’s circumference - measured in degrees or length units. Mar 1710:25 AM Length of an Arc = Mar 1710:28 AM Example: Determine the length of arc AB. A 80 Pull m = measure of central angle in degrees 5 cm B 0 r = radius of circle Mar 1710:30 AM Mar 1710:33 AM 1 7.Area of Sectors and Segments.notebook Sector - part of a circle formed by two radii and an arc. March 27‚ 2012
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ARCELIA ARRATIA MEASUREMENT OF LENGTH‚ MASS‚ VOLUME‚ AND DENSITY PHYSICS LAB REPORT Physics is the scientific study of matter and energy and how they interact with each other. Physics utilizes the scientific formula to test hypothesis and calculate matter such as density. Tools were created to measure material in a laboratory and have been perfected to reduce error. In this experiment measurement of length‚ mass‚ volume and density will be obtained through instruments of measuring
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The edge of the cliff is 8 feet above the level of the water. The tip of his fishing rod is directly above the edge of the cliff and is 7 feet above the cliff. He lowers his fishing line so that it enters the water at the base of the cliff. The length of his fishing line‚ l‚ which is measured from the tip of his fishing rod to the place his line enters the water‚ and the angle between his line and the water‚ θ‚ are changing as the river carries his line downstream. The horizontal distance‚ r‚
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Density‚ Mass and Volume Density is the measure of how tightly the particles of a substance are packed into a given volume. L=1cm B=1cm H=1cm Aluminium=1cm3 Volume=lbh Volume= 1cm*1cm*1cm Volume= 1cm3 Iron 1cm3 1cm3 of iron would be however than 1 cm of aluminium. The density of the iron cube would be greater than the density of the aluminium cube. One explanation from that is that the particles/molecules in the iron cube are more tightly
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between image & object distance of lens & its focal length: lens equation. 1/f=1/do+1/di Law of refraction: n1sin0=n2sin02. Condition for multiple slit interference maximum: dsin0=mlambda Approach to optics treats light as a ray phenomenon: geometric optics Index of refraction for an optical material is- speed in light of vacuum:speed of light in material Relation between the refractive index‚ the two surface curvatures & the focal length of lens: lensmakers equation Snells law results from:
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Introduction to Measurement Mass‚ Length‚ and Volume Introduction Much of what we know about the physical world has been obtained from measurements made in the laboratory. Skill is required to design experiments so that careful measurements can be made. Skill is also needed to use lab equipment correctly so that errors can be minimized. At the same time‚ it is important to understand the limitations of scientific measurements. Concepts Measurement Significant figures Accuracy
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A cylinder is a shape with a circular bottom at the both ends that kind of looks like a pringles potato chip bottle THE formula of finding the volume of a cylinder is base area times height of cylinder. The base area will be the area of the circle which is pi x radius x radius So you just take that answer and multiply it by the height of a cylinder. done math math math cylinder cylinder asdfghjk lkjhgh jhgf ghjxskdskdgc kdshfkhshfkshksskkkkjs wordlimit mine is
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The Lengths of Leadership This Freshman Seminar displayed the power of leadership in all of its forms. There are many types of leadership skills and characteristics; however‚ they all are encompassed by a set of core values one must follow to be a leader. We explored what could be called the ten commandments of leadership during class discussion and how they applied to a series of movies including Apollo 13‚ Courage Under Fire‚ Norma Rae‚ and Cry Freedom. In each movie‚ every character showed a
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Name___________________________ Period__________ Solve the following problems. Show all work‚ and report your answer to the correct number of significant figures. Be sure to report the proper units. : Densities of common substances at room temperature (g/cm3) Air 0.0013 Water 1.00 Aluminum 2.70 Gold 19.3 1. An object has a mass of 57.7 g and occupies a volume of 21.65 cm3‚ what is its density? 2. An object whose density is 1.98 x 103 kg/m3 has a mass
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Centimeter (cm) | Meter (m) | Inch(in) | Yard(yd) | Stirring rod: Length | 300.50cm | 3.005m | 12in | 0.33yd | Lab. Manual: Length | 271cm | 2.71m | 10.20in | 0.28yd | Lab. Manual: Width | 208cm | 2.08m | 8.60in | 0.24yd | B. Graduated Cylinder Volume reading when graduated cylinder is half filled with | (mL) | Potassium permanganate(KMnO4) | 12.6mL | Distilled Water (H2O) | 12.3mL | | Capacity of Apparatus (maximum volume contained) | Big test tube | 18.8mL | 250-mL Beaker |
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