The wheel of a scooter has diameter 70 cm. how many revolutions per minute must the wheel make so that the speed of the scooter is kept 132 kmph
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Hey,
Speed =132km/hr
132=distance/1hr or 60mins
distance =132m
diameter =70cm=0.7m(r=0.7/2=0.35m)
Therefore, circumference =2πr
=2*22/7*0.35
=2.2m
So, no. of revolutions =distance /circumference
=132/2.2
=60.
Hope this helps you buddy!!
Plz mark as brainlest plz I request you....
Speed =132km/hr
132=distance/1hr or 60mins
distance =132m
diameter =70cm=0.7m(r=0.7/2=0.35m)
Therefore, circumference =2πr
=2*22/7*0.35
=2.2m
So, no. of revolutions =distance /circumference
=132/2.2
=60.
Hope this helps you buddy!!
Plz mark as brainlest plz I request you....
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