Determine the relative PE vs KE of the ball at each point marked on the pendulum (Is PE/KE increasing or decreasing) Then draw a bar graph that shows the comparison. A. PE = _; KE _
B. PE = _; KE _
C. PE = _; KE _
D. PE = _; KE _
E. PE = _; KE _

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What is the orbital period of a spacecraft in a low orbit near the surface of mars? the radius of mars is 3.4×106m.

Rank the six combinations of electric charges on the basis of the electric force acting on q1. define forces pointing to the right as positive and forces pointing to the left as negative. rank positive forces as larger than negative forces. q1,q2,q3 = positive(+) q1 = + q2 = + q3 = - q1 = + q2= - q3= + q1= - q2= + q3= + q1= + q2= - q3= - q1,q2,q3 = negative