Posted by hassan on Thursday, June 2, 2011 at 1:12pm.
a fly moves from one corner of the floor of a room and you are standing opposite corner into the room .Describe the displacement of the fly when it covers half of the distance.

physics  Henry, Friday, June 3, 2011 at 3:43pm
If the fly is walking on the floor toward the opposite corner, the distance to the corner can be represented by a sloped line. Using the
coordinates of the end points, the mid
point formular can be used to calculate the coordinates of the mid
point and distance:
(X1,Y1),(Xo,Yo),(X2,Y2).
Xo = (X1+X2)/2.
Yo = (Y1+Y2)/2.
Do = sqrt((XoX1)^2 + (YoY1)^2)) = Middistance.
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