How long will a man take to make a a round of a circular field of radius 21 m, cycling at the speed of 8 km/h?
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Radius of circular Field = 21 meter
Distance = Circumference of the circle = 2 x pie x Radius = 2 x 3.14 x 21 = 131.88 meter
Speed = 8 kmph = 8 x ( 5/18) m/s =
2.22 m/s
Time = Distance / Speed = 131.88 / 2.22 = 59.5 second = 1 minute
Distance = Circumference of the circle = 2 x pie x Radius = 2 x 3.14 x 21 = 131.88 meter
Speed = 8 kmph = 8 x ( 5/18) m/s =
2.22 m/s
Time = Distance / Speed = 131.88 / 2.22 = 59.5 second = 1 minute
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