An electron’s position is given by r: 3.00t iˆ - 4.00t2jˆ + 2.00k, with t in seconds and r in meters. (a) In unit-vector n
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An electron’s position is given by r: 3.00t iˆ - 4.00t2jˆ + 2.00k, with t in seconds and r in meters.
(a) In unit-vector notation, what is the electron’s velocity v(t) ?
(b) At t 2.00 s, what is v: 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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