a car takes 20 sec to move around a roundabout of radius 14 m calculate average speed
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Answered by
3
avg. speed= circumference/time
=2π(14)/20
=7π/5 ms^-1
=2π(14)/20
=7π/5 ms^-1
Milap29:
make sure to put value of π=22/7
Answered by
2
perimeter = 2πr
= 2*22*14/7
= 88 m
= 2*22*14/7
= 88 m
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