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Two common definitions used today are the imperial horsepower as in "hp" or "bhp" which is about 745.7 watts, and the metric horsepower as in "cv" or "PS" which is approximately 735.5 watts. The electric horsepower "hpE" is exactly 746 watts, while the boiler horsepower is 9809.5 or 9811 watts, depending on the exact year.
Quizlet's primary products include digital flash cards, matching games, practice electronic assessments, and live quizzes. In 2017, 1 in 2 high school students used Quizlet. [ 4 ] As of December 2021, Quizlet has over 500 million user-generated flashcard sets and more than 60 million active users.
The history of mathematics deals with the origin of discoveries in mathematics and the mathematical methods and notation of the past.Before the modern age and the worldwide spread of knowledge, written examples of new mathematical developments have come to light only in a few locales.
Websites feature online quizzes on many subjects. One popular type of online quiz is a personality quiz or relationship quiz which is similar to what can be found in many women's or teen magazines. Websites hosting quizzes include Quizilla, FunTrivia, OkCupid, Sporcle, Quizlet, and JetPunk.
A printed quiz on health issues. A quiz is a form of mind sport in which people attempt to answer questions correctly on one or several topics. Quizzes can be used as a brief assessment in education and similar fields to measure growth in knowledge, abilities, and skills, or simply as a hobby.
Khan Academy is an American non-profit [4] educational organization created in 2006 by Sal Khan. [1] Its goal is to create a set of online tools that help educate students. [5] ...
Much of this evolution took place in North America, where horses originated but became extinct about 10,000 years ago, [2] before being reintroduced in the 15th century. The horse belongs to the order Perissodactyla ( odd-toed ungulates ), the members of which all share hooved feet and an odd number of toes on each foot, as well as mobile upper ...
A horsepower-hour (symbol: hp⋅h) is an outdated unit of energy, not used in the International System of Units.The unit represents an amount of work a horse is supposed capable of delivering during an hour (1 horsepower integrated over a time interval of an hour).