A cycle wheel is 84 cm in diameter, How many revolutions does it make in 1 kmIf this who makes 23
revolution in 12 seconds. Find the speed of the eyele in km/hr
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Answer:
circumference circumference of wheel
= 2πr
=(2x22x42)÷7
=264 cm or 2.64 meter
Number of rotation in 1 kilometre
=1000÷2.64
=12500/33
Speed = (28x2.64)/12
=6.16 m/sec
=22.176 km/ hr
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