Approximately 0.45 m. A mountain bike tire has a diameter of approximately. 0.6 m. In a 400-m race, how many more times will the
BMX bike tire have to turn than the mountain bike tire?
1 answer:
Answer:
71 times
Step-by-step explanation:
Diameter of BMX bike= 0.45m
Radius= 0.225m
Cirumference of BMX bike
C= 2πr
C=2*3.142*0.225
C= 1.4139m
In a 400-m race, the BMX bike will turn
=400/1.4139
=282.9 times
=283 times
Diameter of Mountain bike= 0.6m
Radius= 0.3m
Circumference of Mountain bike
C= 2πr
C=2*3.142*0.3
C=1.8852m
In a 400-m race, the Mountain bike will turn
=400/1.8852
=212.17 times
=212 times
Hence the difference is
=283 -212
=71 times
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