An athelete complees one round of of a circular track of diameter 49m in 20sec. Calculate the distance covered and displacement at the end of 30sec.
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distance in 20 secs= 2*π*49/2
therfr distnc in 1 sec = 77/10
now distance in 30 secs = 7.7*30= 231m
now displacement=
distnce travld in 10 sec=
77m
therfr distnc in 1 sec = 77/10
now distance in 30 secs = 7.7*30= 231m
now displacement=
distnce travld in 10 sec=
77m
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