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A car moves along a circular track of radius 14m. It completes 1 revolution in 20seconds. Calculate the distance the car covers if it travels for duration of 90 seconds. (a) 300 m(b) 400 m(c) 308 m(d) 396 m |
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Answer» Answer: 396m Explanation: r=14m circumference=2pir == 2×22÷7×14 ==2×22×2 ==88m 88m in 20sec. therefore __m in 90sec. 88×90÷20(alternendo) answer=396m hope it HELPS |
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