plitude 1.6 riod π X w many complete cycles will the mass have completed at the end of 57 seconds?

Check here for instructional material to complete this problem. Evaluate the following formula for x₁ = 27.9785, x₂ = 25.5651, µ₁ - H₂=0, sp = 43.29, n₁ = 41, and n₂ = 43. t= t= (x₁ - x₂) - (H₁-H₂) 2 (Round to two decimal places as needed.) Tutoring Help me solve this Get more help …….

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Question content area top Part 1 Substance A decomposes at a rate proportional to the amount of A present.   ​a) Write an equation that gives the amount A left of an initial amount Upper A 0A0 after time t. ​b) It is found that 1818 lb of A will reduce to 99 lb in 3.53.5 hr. After how long will there be only 1 lb​ left?       Question content area bottom Part 1 ​a) Choose the equation that gives A in terms of Upper A 0A0​, ​t, and​ k, where kgreater than>0.     A. ​A(t)equals=Upper A 0 e Superscript ktA0ekt   B. ​A(t)equals=Upper A 0 e Superscript negative ktA0e−kt Your answer is correct.   C. ​A(t)equals=Upper A 0 Superscript ktA0kt   D. ​A(t)equals=Upper A 0 Superscript negative ktA0−kt Part 2 ​b) There will be 1 lb left after enter your response here hr. ​(Do not round until the final answer. Then round to the nearest whole number as​ needed.)