A distant quasar is receding from the Earth at 0.900c (where c is the speed of light). The quasar emits a jet of charged particles directed away from the Earth at a speed of 6.08E+7 m/s relative to the quasar. How fast are the particles moving away from Earth, as measured by astronomers on Earth? m/s

A distant quasar is receding from the Earth at 0.900c (where c is the speed of light). The quasar emits a jet of charged particles directed away from the Earth at a speed of 6.08E+7 m/s relative to the quasar. How fast are the particles moving away from Earth, as measured by astronomers on Earth? m/s

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A distant quasar is receding from the Earth at 0.900c (where c is the speed of light). The quasar emits a jet of charged particles directed away from the Earth at a speed of 6.08E+7 m/s relative to the quasar. How fast are the particles moving away from Earth, as measured by astronomers on Earth? m/s

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