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  2. Seismic magnitude scales - Wikipedia

    en.wikipedia.org/wiki/Seismic_magnitude_scales

    Seismic moment is measured in newton-meters (N m or N⋅m) in the SI, or dyne-centimeters (dyn⋅cm; 1 dyn⋅cm = 10 −7 N⋅m) in the older CGS system. In the simplest case the moment can be calculated knowing only the amount of slip, the area of the surface ruptured or slipped, and a factor for the resistance or friction encountered.

  3. P versus NP problem - Wikipedia

    en.wikipedia.org/wiki/P_versus_NP_problem

    The general class of questions that some algorithm can answer in polynomial time is "P" or "class P". For some questions, there is no known way to find an answer quickly, but if provided with an answer, it can be verified quickly. The class of questions where an answer can be verified in polynomial time is "NP", standing for "nondeterministic ...

  4. IB Group 4 subjects - Wikipedia

    en.wikipedia.org/wiki/IB_Group_4_subjects

    Some questions may be common to HL and SL. The maximum raw marks for this section is 45 (SL) or 75 (HL). Paper 2 (SL: 45 raw marks contributing 25% of the course, 1 hour; HL: 65 raw marks contributing 20% of the course, 1 hour 20 minutes) consists of 2 to 5 (SL) or 3 to 7 (HL) compulsory questions based on the option studied.

  5. Bruce protocol - Wikipedia

    en.wikipedia.org/wiki/Bruce_protocol

    There are 7 such stages and only very fit athletes can complete all 7 stages. ... 7 1.52 4: 3: 16: 4.2 14:17: 6.8 ... The Bruce exercise test involved walking on a ...

  6. Computer network - Wikipedia

    en.wikipedia.org/wiki/Computer_network

    For example, from node 1 to node 6 the best routes are likely to be 1-8-7-6, 1-8-10-6 or 1-9-10-6, as these are the shortest routes. Routing is the process of selecting network paths to carry network traffic.

  7. Binomial theorem - Wikipedia

    en.wikipedia.org/wiki/Binomial_theorem

    In elementary algebra, the binomial theorem (or binomial expansion) describes the algebraic expansion of powers of a binomial.According to the theorem, the power ⁠ (+) ⁠ expands into a polynomial with terms of the form ⁠ ⁠, where the exponents ⁠ ⁠ and ⁠ ⁠ are nonnegative integers satisfying ⁠ + = ⁠ and the coefficient ⁠ ⁠ of each term is a specific positive integer ...

  8. Tic-tac-toe variants - Wikipedia

    en.wikipedia.org/wiki/Tic-tac-toe_variants

    Tic tac toe can be played by integrating element of dexterity to place the markers. Objects such as balls can be thrown to a grid (which can be made from other objects such as glasses) to get three marks in a row, leaving elements of probability for the markers to be landed at the intended spot and stimulating physical exercises. [31] [32] [33]

  9. Well-defined expression - Wikipedia

    en.wikipedia.org/wiki/Well-defined_expression

    Questions regarding the well-definedness of a function often arise when the defining equation of a function refers not only to the arguments themselves, but also to elements of the arguments, serving as representatives. This is sometimes unavoidable when the arguments are cosets and when the equation refers to coset representatives. The result ...