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Date: 30-3-2019
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Date: 18-7-2019
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(1) |
for a parameter and constant (known as the decay constant), where is the exponential function and is the initial value. Exponential decay is common in physical processes such as radioactive decay, cooling in a draft (i.e., by forced convection), and so on. Exponential decay is described by the first-order ordinary differential equation
(2) |
which can be rearranged to
(3) |
Integrating both sides then gives
(4) |
and exponentiating both sides yields the functional form (1).
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دور النظارات المطلية في حماية العين
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العلماء يفسرون أخيرا السبب وراء ارتفاع جبل إيفرست القياسي
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اختتام المراسم التأبينية التي أهدي ثوابها إلى أرواح شهداء المق*ا*و*مة
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