Hello, aeroflix!

the sprockets and chain of a bicycle are shown in the figure. ??

The pedal sprocket has a radius of 4 inches,

. . the wheel sprocket a radius of 2 inches,

. . and the wheel a radius of 13 inches.

The cyclist pedals at 40 rpm.

(a) Find the angular velocity of the wheel sprocket

(b) Find the speed of the bicycle.

The pedal sprocket is turned at

The pedal sprocket has a circumference of inches.

Hence, the chain is moving at: .

The wheel sprocket has a circumference of

It is turning at: .

The wheel has a circumference of:

It moves along the ground at:

The bicycle's speed is: .