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CBSE Class 9 Answered

Rama takes a round of a circular Park whose diameter is 280 metre in 4 minutes what is the distance covered by Rama what is the speed of Rama
Asked by bannuridevarao1693 | 13 Jun, 2020, 07:50: AM
Expert Answer
Rama takes a round on circular track which has diameter of 280 m 
radius =diameter/2 =280/2 =140 m 
Distance covered = circumference of circular track = 2∏r = 2×3.14×140 = 879.2 m 
Time taken by Rama to complete one round = 4 minutes = 4 × 60 s  = 240 s 
 
Speed of Rama = distance covered/ time taken = 879.2/240 = 3.66 m/s 
Answered by Shiwani Sawant | 13 Jun, 2020, 05:09: PM
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