Positive charge Q is distributed uniformly along the x-axis from x=0 to x=a. A positive point charge q is located on the positive x-axis at x=a+r, a distance r to the right of the end of Q. Calculate the x-component of the electric field produced by the charge distribution Q at points on the positive x-axis where x>a. Express your answer in terms of the variables Q, a, r, and and appropriate constants.   Calculate the magnitude of the force that the charge distribution Q exerts on q. Express your answer in terms of the variables Q, q, a, r, and appropriate constants.   Calculate the direction of the force that the charge distribution Q exerts on q.

Question

Positive charge Q is distributed uniformly along the x-axis from x=0 to x=a. A positive point charge q is located on the positive x-axis at x=a+r, a distance r to the right of the end of Q.

Calculate the x-component of the electric field produced by the charge distribution Q at points on the positive x-axis where x>a.
Express your answer in terms of the variables Q, a, r, and and appropriate constants.
 
Calculate the magnitude of the force that the charge distribution Q exerts on q.
Express your answer in terms of the variables Q, q, a, r, and appropriate constants.
 
Calculate the direction of the force that the charge distribution Q exerts on q.

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