Conductor Voltage - Pre Calculus - Solved Exam, Exams of Calculus

It is the notes of Pre Calculus which includes Conductor Voltage, Chase The Author Exemplar etc. Key important points are: Conductor Voltage, Time, Models, Functions, 5 Volts

Typology: Exams

2012/2013

Uploaded on 02/06/2013

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Pre-Caic. 1° Semester Exam Review Name: Ke ‘ { 1. The voltage of a certain conductor decreases over time according to the law of uninhibited decay (A= Ae }. The initial voltage of the conductor is 40 volts, and 2 seconds later, the voltage is 10 volts. a) Find k and determine the function that models the number of volts in the conductor. t-0,A-40 > Aztoe’ a= 4007" Yu = 2 In.es = ob be fo oo ~.693tH) > A = qog 7 enee7t b) Determine the voltage after 5 seconds have elapsed. = bUIITUS A= Yoo ‘s “(ws Vv t c) Determine the time at which the voltage reaches ,5 volts. _ (Y7t 5 = 42 aeats In Cue) —1 69H 4{ ~~ 6.3225.