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Mathematics, 01.10.2019 02:10 Xmaryanne

An electron’s position is given by 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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An electron’s position is given by with t in seconds and →r in meters. (a) in unit-vector notation,...
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