What was the positrons former position vector

Reference no: EM13557023

A positron undergoes a displacement ?r = 8.0 ihat - 8.0 jhat + 6.0 khat, ending with the position vector r = 1.0 jhat - 6.0 khat, in meters. What was the positron's former position vector?

Reference no: EM13557023

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