The current San Francisco cable railway is driven by two large 16-foot-diameter drive wheels, called sheaves. Because of the figure-eight system used, the cable subtends a central angle of 270° on each sheave. Find the length of cable riding on one of the drive sheaves at any given time. a = 16
A)38.7 feet
B)35.7 feet
C)40.7 feet
D)37.7 feet
E)33.7 feet

Question

The current San Francisco cable railway is driven by two large 16-foot-diameter drive wheels, called sheaves. Because of the figure-eight system used, the cable subtends a central angle of 270° on each sheave. Find the length of cable riding on one of the drive sheaves at any given time.  a = 16 ​
A)38.7 feet 
B)35.7 feet 
C)40.7 feet 
D)37.7 feet 
E)33.7 feet

Quizplus · Accepted Answer

The Answer of The current San Francisco cable railway is driven by two large 16-foot-diameter drive wheels, called sheaves. Because of the figure-eight system used, the cable subtends a central angle of 270° on each sheave. Find the length of cable riding on one of the drive sheaves at any given time.  a = 16 ​
A)38.7 feet 
B)35.7 feet 
C)40.7 feet 
D)37.7 feet 
E)33.7 feet

The Current San Francisco Cable Railway Is Driven by Two