Question: Consider the position function (x(t)=p+q t+r t^{2}) for a moving object, with (p=+3.0 mathrm{~m}, q=+2.0 mathrm{~m} / mathrm{s}), and (r=-5.0 mathrm{~m} / mathrm{s}^{2}). (a) What
Consider the position function \(x(t)=p+q t+r t^{2}\) for a moving object, with \(p=+3.0 \mathrm{~m}, q=+2.0 \mathrm{~m} / \mathrm{s}\), and \(r=-5.0 \mathrm{~m} / \mathrm{s}^{2}\).
(a) What is the value of \(x(t)\) at \(t=0\) ?
(b) At what value of \(t\) does \(x(t)\) have its maximum value?
(c) What is the value of \(x(t)\) at this instant?
(d) Draw a position-versus-time graph.
(e) Describe the behavior of an object that is represented by this function. \((f)\) How far has the object traveled in these intervals: From \(t=0\) to \(t=0.50 \mathrm{~s}\) ? From \(t=0\) to \(t=1.0 \mathrm{~s}\) ? From \(t=0.50 \mathrm{~s}\) to \(t=1.0 \mathrm{~s}\) ?
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