Is circumference is 14.26 speed is 7 km,revolutions are 4 find the time required?
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since there are four revolution s then the total distance is the product of circumference× 4
then the distance will be 57.04m, then it is given that speed is 7km/hr it is in km/hr , convert it into m/s then speed will be
5÷18×7= 1.94m/s then time =distance÷velocity
57.04÷1.94=29.4 s
then the distance will be 57.04m, then it is given that speed is 7km/hr it is in km/hr , convert it into m/s then speed will be
5÷18×7= 1.94m/s then time =distance÷velocity
57.04÷1.94=29.4 s
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