Mathematics, 23.09.2019 00:00 shirleyyxo
The position function of a particle in rectilinear motion is given by s(t) = 2t^3 - 21t^2 + 60t + 3 for t ≥ 0. find the position and acceleration of the particle at the instant when the particle reverses direction. include units in your answer.
so i've already gotten the first derivative(6t^2-42t+60) and set it to 0. this resulted in t=5 and t=2. i then took the second derivative(12t-42) and plugged in t for acceleration. where do i go from here?
Answers: 1
Mathematics, 22.06.2019 02:30, robert7248
Solve the system of equations. y=3x-1 and y=-2x+9. show work
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Mathematics, 22.06.2019 05:30, smithad242
Three consecutive even numbers have a sum between 84 and 96. a. write an inequality to find the three numbers. let n represent the smallest even number. b. solve the inequality. a. 84 ≤ n + (n + 2) + (n + 4) ≤ 96 b. 78 ≤ n ≤ 90 a. 84 < n + (n + 2) + (n + 4) < 96 b. 26 < n < 30 a. 84 < n + (n + 1) + (n + 2) < 96 b. 27 < n < 31 a. n + (n + 2) + (n + 4) < –84 or n + (n + 2) + (n + 4) > 96 b. n < –30 or n > 31
Answers: 1
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