A student is conducting an experiment to determine how far a ball will roll down a ramp based on the angle of incline. What are three possible controls for this experiment?
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1) if incline 0 then the ball will not move
2)if angle 90 then bal will fall at that point
3) angles except kπ and kπ/2 where k is integer the ball will roll
2)if angle 90 then bal will fall at that point
3) angles except kπ and kπ/2 where k is integer the ball will roll
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