What is the displacement of a point on a wheel, initially in contact with the ground when the wheel rolls forward through half a revolution??
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DISPLACEMENT IS SHORTEST DISTANCE
IF OBJECT IS AT ONE POINT OF CIRCLE
AFTER HALF ROUND
DISPLACEMENT IS DIAMETER BECAUSE 4R/2
=2R
DISPLACEMENT IS SHORTEST DISTANCE
IF OBJECT IS AT ONE POINT OF CIRCLE
AFTER HALF ROUND
DISPLACEMENT IS DIAMETER BECAUSE 4R/2
=2R
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