A bicycle wheel makes 5000 revolutions in moving 11 km . Find the radius of the wheel.
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no. of rev. in 11 km = 5000 rev.
dist. in cm. = 1100000 cm
so dist. covered by wheel = no. of rev. * circumference of wheel
=> 5000*2*3.14*r
=> 1100000=10000*3.14*r
=> r = 1100000/31400
=> r = 35.03 (approx)
dist. in cm. = 1100000 cm
so dist. covered by wheel = no. of rev. * circumference of wheel
=> 5000*2*3.14*r
=> 1100000=10000*3.14*r
=> r = 1100000/31400
=> r = 35.03 (approx)
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