A wheel, 14 cm in diameter, makes 3000 revolution per minute. Find its speed in m/sec.
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Distance covered in one revolution = Circumference of wheel
= 2πr
= 2×22/7×7
= 44 cm = 44/100 = 0.44m
Distance covered in a second = 0.44×50 = 22 meter in a second
therefore the speed is 22 m/sec
= 2πr
= 2×22/7×7
= 44 cm = 44/100 = 0.44m
Distance covered in a second = 0.44×50 = 22 meter in a second
therefore the speed is 22 m/sec
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