3. The position of a particle travelling along a horizontal line in t seconds is s(t) = 2t³ – 15t? 84t + 3 meters. (a). Find the velocity and acceleration functions at time t = 2 seconds. [2 Marks]

Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
Chapter6: Topics In Analytic Geometry
Section6.2: Introduction To Conics: parabolas
Problem 4ECP: Find an equation of the tangent line to the parabola y=3x2 at the point 1,3.
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3. The position of a particle travelling along a
horizontal line in t seconds is
s(t) = 2t° – 15t2 – 84t + 3 meters.
(a). Find the velocity and acceleration
functions at time t = 2 seconds. [2 Marks]
(b). Is the particle moving from right to left or
from left to right at time t = 7 seconds. [1
Mark]
Transcribed Image Text:3. The position of a particle travelling along a horizontal line in t seconds is s(t) = 2t° – 15t2 – 84t + 3 meters. (a). Find the velocity and acceleration functions at time t = 2 seconds. [2 Marks] (b). Is the particle moving from right to left or from left to right at time t = 7 seconds. [1 Mark]
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