The circumference of a bicycle wheel is 2 meters. If it rotates ...

[gonzo233]

The circumference of a bicycle wheel is 2 meters. If it rotates at 1 revolution per second then its linear speed is
 
  A) 1 m/s.
  B) 2 m/s.
  C) 3 m/s.
  D) 3.14 m/s.
  E) 6.28 m/s.

Question 2

When railroad tracks make a curve, the outer track is longer. This means a wheel that rides on the outer track needs to somehow
 
  A) roll slower than the wheel on the inner track.
  B) maintain the same speed as the wheel on the inner track.
  C) roll faster than the wheel on the inner track.

[trog]

Answer to Question 1

Answer: B

Answer to Question 2

Answer: C

[gonzo233]

Excellent

[Alyson.hiatt@yahoo.com]

Gracias!