A farmer moves along the boundary of a circular field of radius 28m in 50s. What will be the magnitude of displacement of the farmer at the end of 3m 20s.
Answers
Hi there,
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Displacement : the length of the join b/w the final and initial positions of a body post motion.
distance: path length traversed by a body.
=> distance≠displacement....
to the question...
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radius = 28m
time taken to move through the circumference = 50s => displacement=0
(i.e; for 50s)
but displacement for 3m 20s will be different...
3m 20s = 180s + 20s =200s... can be split up as (4 x 50s)
so we can say the farmer moves four times in a full circle around the circular field.... and comes back to the starting point ...
"displacement will be zero...."
but distance will be 4 times the circumference....
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