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kirza4 [7]
3 years ago
5

PLEASE HELP! Exam is at 9:15 am!!! A bicyclist pedals a bicycle at 40 revolutions per minute resulting in a speed of 7 mile per

hour. How fast will the bicyclist go if he pedals 60 revolution per minute.
Mathematics
2 answers:
nekit [7.7K]3 years ago
8 0

Answer:

Step-by-step explanation:

bekas [8.4K]3 years ago
5 0

Answer:

10.5m/h

Step-by-step explanation:

speed at 40 revolutions= 7/60 m/minute = 0.1167

circumference of wheel = 101167/40 = 7/2400

now,

at 60 pedals = speed = 60*7/2400 = 0.175m/minute

speed= 0.175*60 m/h = 10.5

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