The position of an object moving along an x axis is given by x = 3t -
Question:
The position of an object moving along an x axis is given by x = 3t - 4t2 + t3, where x is in meters and t in seconds. Find the position of the object at the following values of r:
(a) 1 s,
(b) 2 s,
(c) 3 s, and
(d) 4 s.
(e) What is the object's displacement between t = 0 and t = 4 s?
(f) What is its average velocity for the time interval from t = 2s to t = 4s?
(g) Graph x versus tfor 0 < t < 4s and indicate how the answer for (f) can be found on the graph.
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Using x 3t 4t 2 t 3 with SI units understood is efficient and is the approach we will use but i...View the full answer
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Related Book For
Fundamentals of Physics
ISBN: 978-0471758013
8th Extended edition
Authors: Jearl Walker, Halliday Resnick
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