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The diameter of each wheel of a vehical is 42 cm . Each wheel makes 20 revolutions in 12 seconds . Find the speed of tha vehical in meter per minute |
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Answer» Step-by-step explanation: 47.52 Given, r=21cm So, DISTANCE covered in one ROTATION is 2πr = 2*3.14*21 = 131.88cm Rpm =600 So Distance covered in a MINUTE = 600*131.88 = 791.28m/min Convert this to KMPH =(791.28/1000)/(1/60) =47.5 kmph hope it helps plzz mark as brainliest |
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