Describe what happens when a positively charged rod is brought close to but doesn't touch a neutral pith ball. Explain why this happens. (Include whether the ball is attracted, repelled or neither to the rod. Explain what is happening to the electrons in the pith ball)

Arunner is training for an upcoming marathon by running around a 100-m-diameter circular track at constant speed. let a coordinate system have its origin at the center of the circle with the x-axis pointing east and the y-axis north. the runner starts at (x, y) = (50 m, 0 m) and runs 2.5 times around the track in a clockwise direction.