The area of square field in 60025 m^2. A man cycles along its boundary at 18 km/h. In how much time will he return to the starting point
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√60025=245m, which is side length of square field.
Total perimeter=245×4=980 metres.
Speed of cyclist in metres per second= 18×(5/18)=5m/s.
Total time taken=Distance/Speed
980/5
=196 seconds or 3min, 16 seconds.
Total perimeter=245×4=980 metres.
Speed of cyclist in metres per second= 18×(5/18)=5m/s.
Total time taken=Distance/Speed
980/5
=196 seconds or 3min, 16 seconds.
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