1
$\begingroup$

Can anyone help me solve these word problems.

  1. An automobile tire has a diameter of 30 inches how fast (r/m) does the wheel turn on the axle when the automobile maintains a speed of 45 mi/h?

  2. If an automobile wheel 78 cm in diameter rotates 600 r/min what is the speed of the car in km/h?

  • 0
    I know the radius for the second one is 39 so would I use the formula for v=r(omega)?2012-06-25

1 Answers 1