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A wheel has a diameter of 15cm.The wheel travels 50 metres. How many complete revolutions does the wheel complete?i already know the answer because i have the marksceme, but it doesn't provide working out. so please explain how you got your answer for brainliest :))) |
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Answer» Answer: 106 COMPLETE revolution Step-by-step EXPLANATION: DISTANCE s =50m = 5000cm diameter= 15cm radius r= 15/2 cm CIRCUMFERENCE of WHEEL = 2πr = 2×22/7×15/2 = 22×15/7 circumference of wheel = 1 revolution no.of revolutions = distance / circumference of wheel = 5000÷ (22×15/7) = 5000×7/22×15 = 106 complete revolution |
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