Solve the Problem $\frac { 1 } { 5 }$ Radian Has Been Covered, What Is the Angular Speed of String

question 133

Multiple Choice

Solve the problem.
-A ball on the end of a string is spinning around a circle with a radius of 5 centimeters. If in 13 seconds a central angle of $\frac { 1 } { 5 }$ radian has been covered, what is the angular speed of the ball?

• A) \(\frac { 5 } { 13 }\) radians per sec
• B) \(\frac { 13 } { 5 }\) radians per sec
• C) 65 radians per sec
• D) \(\frac { 1 } { 65 }\) radian per sec