Mathematics, 18.12.2020 05:40 jilliand2242

A particle moves along a straight line. For Osts 5, the position of the particle is given by s(t) = 3t +412 - 13
a) What is the average velocity of the particle over the interval Osts 4?
b) Find a general expression for the velocity of the particle as a function of time, u(t), and determine
the value of v att = 2. Is the particle traveling to the left or the right at this point? Justify your
answer.
c) Find all times t during the interval 0 Sts 5 that the particle changes direction. Justify your
answer.
d) At t = 4, is the speed of the particle increasing or decreasing? Justify your answer.

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A particle moves along a straight line. For Osts 5, the position of the particle is given by s(t) =...

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