A bicycle wheel makes 10000 revolutions in moving 22 km. The radius of the wheel is
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Answered by
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One revolution =22000/10000=2.2 m
2(pi)r=2.2
r=0.35m
2(pi)r=2.2
r=0.35m
Answered by
1
Distance travelled in 10000 rotations = 22000m
Distance travelled in 1 rotation = 22000/10000
= 2.2m
Distance traveled in 1 rotation = Circumference of the wheel
Circumference = 2πr
2.2 = 2 × 22/7 × r
(2.2 × 7)/(22 × 2) = r
15.4/44 = r
0.35 m = r
Radius = 0.35 m = 35 cm
Distance travelled in 1 rotation = 22000/10000
= 2.2m
Distance traveled in 1 rotation = Circumference of the wheel
Circumference = 2πr
2.2 = 2 × 22/7 × r
(2.2 × 7)/(22 × 2) = r
15.4/44 = r
0.35 m = r
Radius = 0.35 m = 35 cm
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