7 Holt Physics Chapter 7: Rotational Motion and the Law of Gravity I. Section 7-1: Measuring Rotational Motion A. When something spins it undergoes “rotational motion”. When something spins around a single point it is called “circular motion”. B. We measure how fast something spins not in m/s (different points on the object are spinning at different velocities) but by measuring the angle described in a given time period. C. Angles can be measured in radians
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As we did not have our own rocket-launcher‚ we were helped by the Russians. However‚ it gave the country space status. The second satellite‚ Bhaskara I‚ was launched on 7th June‚ 1979 from a Soviet commodore. This 444 kg experimental satellite contained instruments for carrying out remote sensing experiments. Then an improved version of Bhaskara I‚ Bhaskara II was launched on 20th November‚ 1981‚ with the help of a Soviet booster- rocket. Rohini was the first Indian satellite to be launched from
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History of Ancient Assam : Ancient Assam was known as Pragjyotisha in early times and as Kamarupa in later times. The name Pragjyotisha stood for both the kingdom and capital city. The earliest mention of the city of Pragjyotisha is found in the Ramayana and Mahabharata. According to the Ramayana‚this city was founded by Amurtaraja son of Kusa and grandfather of the famous stage Viswamitra. There are different options regarding the origin of the name’’Pragjyotisha’’. According to the Kalika
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Mathematics that was a centre of learning and research. * Thales theorems used in Geometry: 1. The pairs of opposite angles formed by two intersecting lines are equal. 2. The base angles of an isosceles triangle are equal. 3. The sum of the angles in a triangle is 180°. 4. An angle inscribed in a semicircle is a right angle. Pythagoras Birthdate: 569 B.C. Died: 475 B.C. Nationality: Greek Contributions: * Pythagorean Theorem. In a right angled triangle the square of the hypotenuse is
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originated the science of deductive geometry. He also discovered theorems of elementary geometry and is said to have correctly predicted an eclipse of the sun. Many of his studies were in astronomy but he also observed static electricity. Phythogoras was a Greek philosopher. He discovered simple numerical ratios relating the musical tones of major consonances‚ to the length of the strings used in sounding them. The Pythagorean theorem was named after him‚ although this fundamental statements of deductive
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regard to Ancient Egyptians and were considered sacred as it was thought to be used to construct temples. As a result‚ they referred to it as the “Sacred Ratio” They were also thought to be developed by Pythagoras‚ who used ratio to discover his Pythagorean theorem (Holloway‚ 2013). Aldolf Zeising‚ a German psychologist‚ described this relationship by saying “The Golden Ratio is a universal law in which is contained the ground-principle of all formative striving for beauty and completeness in the realms
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INCREDIBLE INDIA - SPEECH India is and will always be an enchanting land. This is because like every other country‚ India also has a special and unique aspect for its greatness. Home to the Indus Valley Civilization‚ this magnificent country has rightly showed that minds of the people living here were scientifically a lot developed from the very beginning. India is the world’s largest‚ oldest‚ continuous civilization. Varanasi‚ was called "the ancient city" when Lord Buddha visited it in 500 B
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People will not need to know the Pythagorean Theorem when they graduate high school or which elements hydrogen forms a polar bond with. I believe that many schools focus on teaching students the basic knowledge in each subject but in my opinion‚ I feel like we should only learn about these classes
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Elliptic geometry (sometimes known as Riemannian geometry) is a non-Euclidean geometry‚ in which‚ given a line L and a point p outside L‚ there exists no line parallel to L passing through p. Elliptic geometry‚ like hyperbolic geometry‚ violates Euclid’s parallel postulate‚ which asserts that there is exactly one line parallel to L passing through p. In elliptic geometry‚ there are no parallel lines at all. Elliptic geometry has other unusual properties. For example‚ the sum of the angles of any
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The Golden Ratio By : Kaavya.K In mathematics and the arts‚ two quantities are in the golden ratio if the ratio of the sum of the quantities to the larger quantity is equal to the ratio of the larger quantity to the smaller one. The golden ratio is an irrational mathematical constant‚ approximately 1.6180339887. Other names frequently used for the golden ratio are the golden section and golden mean. Other terms encountered include extreme and mean ratio‚ medial section‚ divine
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