Bicycle wheel

After driving 157 m bicycle wheel rotates 100 times. What is the radius of the wheel in cm?

Correct answer:

r =  25 cm

Step-by-step explanation:

o=157/100=157100=1.57 R=o/(2π)=1.57/(2 3.1416)0.2499 r=R 100=0.2499 100=25 cm



Did you find an error or inaccuracy? Feel free to write us. Thank you!






avatar




You need to know the following knowledge to solve this word math problem:


 
We encourage you to watch this tutorial video on this math problem: video1

Related math problems and questions:

  • Bicycle wheel
    wheel Bicycle wheel diameter is 62 cm. How many times turns the bicycle on the road 1 km long?
  • Wheel
    bicycle Diameter of motocycle wheel is 52 cm. How many times rotates wheel on roand long 2 km?
  • Bike wheel
    wheel The bike wheel has a radius of 30cm. How many times does it turn if we go on a 471m bike?
  • A bicycle
    cyclist A bicycle wheel has a diameter of 63 cm. Calculate how many times the wheel turns round in travelling 19.8 km .
  • Gears
    bicycle_gears The front gear on the bike has 32 teeth and the rear, on the wheel, has 12 teeth. How many times does the bike's rear-wheel turn if you turn the right pedal 30 times? What distance will you go if the circumference of the bicycle wheel is 250 cm?
  • Ferris wheel
    ruske-kolo Ferris wheel reaches to 22 m tall and moves at the speed of 0.5m/s. During one drive wheel rotates three times. What is the total drive time?
  • Bicycle wheels
    kolo The driving wheel of a bicycle has 54 teeth. The driven wheel has 22 teeth. After how many revolutions will meet the same teeth?
  • Bicycle wheel
    bicycle A bicycle wheel has a diameter of 60 cm. Approximately how many times does the wheel rotate at 2.5 km long trip?
  • Wheel
    wheel How many times turns the wheel of a passenger car in one second if car run at speed 100 km/h. Wheel diameter is d = 62 cm.
  • Bicycle gears
    rear_wheel_sprocket_cassette The toothed wheel on the bicycle pedal has 40 teeth, the wheel on the rear wheel has only 16 teeth. How many times does the rear wheel turn if the pedals rotate 50 times?
  • Mine
    minetower Wheel in traction tower has a diameter 4 m. How many meters will perform an elevator cabin if wheel rotates in the same direction 89 times?
  • Wheel diameter
    koleso A 1m diameter wheel rolled along a 100m long track. How many times did it turn?
  • Well
    well Rope with a bucket is fixed on the shaft with the wheel. The shaft has a diameter 50 cm. How many meters will drop bucket when the wheels turn 15 times?
  • Radius of the circle
    circle_axes Calculate the radius of the circle whose length is 107 cm larger than its diameter
  • Velocipede
    velociped The front wheel of velocipede from the year 1880 had a diameter 1.8 m. Suppose the front wheel turned again one, then the rear wheel 6 times. What was the diameter of the rear wheel?
  • Wheel
    wheel What is the wheel diameter if on the 0.57 km track turns 106 times?
  • Four circles
    circles 1) Calculate the circle radius if its area is 400 cm square 2) Calculate the radius of the circle whose circumference is 400 cm. 3) Calculate circle circumference if its area is 400 cm square 4) Calculate the circle's area if perimeter 400 cm.