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Sarthak takes 80 stepsper minute, if the length of each step is 40 cm ,find his speed in km/h. |
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Answer» -step explanation:total distance TRAVELLED = 80 × 40 = 3200cm=3200/100000 Km = 0.032 kmtotal time = 1 min = 1/60 hour =0.016 hournow Speed = distance / time speed = 0.032 / 0.016 = 2 km/hr |
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