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RoseWind [281]
3 years ago
10

Suppose a bike wheel has a diameter of 70 cm and the rider completes one cycle in

Mathematics
1 answer:
fenix001 [56]3 years ago
8 0

Answer:

Step-by-step explanation:

radius 70/2=35 cm

circumference=2πr=2π×35=70π cm

time taken to complete one revolution=0.8 s

or distance covered in 0.8 s=70π

distance covered in 1 s=70π/0.8=700 π/8=175 π/2 s=87.5 π≈274.9 cm

speed=274.9 cm/s=2.749 m/s

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