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CBSE Class 9 Answered

an object completes one round of circle of radius 7m in 20s.. distance travel after 10s is?? 
Asked by ujjwalviky2003 | 27 Oct, 2017, 05:27: PM
answered-by-expert Expert Answer
total distance = circumference =2πr =2x3.14x7=43.96m
speed=43.69/20=2.1845 m/s
distance travelled =speedxtime=2.1845x10=21.845m
Answered by Gajendra | 05 Dec, 2017, 07:16: PM
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