A circular gear rotates at a rate of 200 revolutions per minute (rpm).
a. What is the angular speed of the gear in radians per minute?
b. What is the linear speed of a point on the gear 2 inches from the center in inches per minute? In feet per minute?

Question

A circular gear rotates at a rate of 200 revolutions per minute (rpm).
a. What is the angular speed of the gear in radians per minute?
b. What is the linear speed of a point on the gear 2 inches from the center in inches per minute? In feet per minute?

isaidavila · Answer

Ok angular velocity is
V=2πf 
Where f is the frecuency
So
V=2π*200
V=400π

isaidavila · Answer

Linear velocity is 
Lv=2πRf
Lv=2π*(2)(200)
Lv=800π