Which particle reaches the origin first

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Q. A 3.60-{rm m}-long, 430 {rm kg} steel beam extends horizontally from the point where it has been bolted to the framework of a new building under construction. A 66.0 {rm kg} construction worker stands at the far end of the beam.

Q, A proton and an electron are held in place on the x-axis. The proton is at , while the electron is at . They are then released from rest simultaneously and allowed to interact via the electric force. Which particle reaches the origin first?

a.Neither particle reaches the origin.
b.The electron.
c.They reach the origin at the same time.
d.The proton.

Reference no: EM1356733

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