Formulae and Substitution A formula is an equation with letters which stands for quantities. For example C = 2πr Is the formula which gives the circumference, c, of a circle of radius r. In science, I = V/R Is the formula which shows the relationship between the current I amps, voltage, V volts, and resistance,
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Definition: A ratio is a comparison of two similar quantities obtained by dividing one quantity by the other. Ratios are written with the : symbol. Example: The ratio of 6 to 3 is 6 ÷ 3 = 6/3 = 6 : 3 = 2 Example: The ratio of 3 to 6 is 3 ÷ 6
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If mornings are trouble for you, know that they’re trouble for a lot of other people as well so you are not alone. I get it, sleep is nice. Why would you want to start the day when you can just hit the snooze button? Well here are 6 ways to make waking up much
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Factors 40 ÷ 8 = 5 and 40 ÷ 5 = 8. We say that 8 and 5 are factors of 40. If we can divide a whole number by another whole number without remainder, the second number is a factor of the first. The numbers 1, 2, 4, 5, 8, 10, 20 and 40
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World Teachers’ Day, held annually on October 5 since 1994, commemorates teachers’ organisations worldwide. Its aim is to mobilise support for teachers and to ensure that the needs of future generations will continue to be met by teachers. A teacher isn’t just an instructor. They are a mentor, a guide, a counselor, a protector and
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A lot of the time, especially when it comes to crushes and dating, it can be really frustrating… especially when you’re dealing with a dude who sucks at texting. Believe me, there are plenty of them out there. There are few things more grating than getting annoying texts from a guy you like and having
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Coulombs Law The electric force between two point charges is directly proportional to the magnitude of each charge (q1, q2), inversely proportional to square of the separation between their centers (r), directed along the separation vector connecting their centers. This relationship is known as Coulomb’s Law. Charles Augustin de Coulomb (1736-1806) France. As an equation it
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MORAL (noun / adjective) As a noun, a moral is the lesson learned from a story – often used in the expression “the moral of the story.” The plural form, morals, has a different meaning. It refers to a person’s standards of determining right and wrong behaviour: The doctor refused to perform an abortion because
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We all sometimes get into the bad book of our parents. Even if you kinda feel justified for the action that got you into trouble, you still have to lower your ego by appeasing your parents. After all, you can’t do without them. In case your first plain, boring “I’m sorry.” doesn’t work for your
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Periods are totally normal, and you should never be embarrassed about getting yours! However, I’m sure of anyone who boasts about enjoying her periods. But it’s definitely true that some gals have it easier than others. Menstruation is something women just have to deal with. The bottom line is that your period should never keep
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