An electron's position is given by r = 3.00ti 4.00t 2 j + 2.00k, with t
Question:
An electron's position is given by r = 3.00ti – 4.00t2j + 2.00k, with t in seconds and r in meters.
(a) In unit vector notation, what is the electron's velocity v (t)? At t = 2.00 s, what is v
(b) In unit-vector notation and as
(c) A magnitude and
(d) An angle relative to the positive direction of the x axis?
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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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