A massless string is wrapped around a cylinder of mass 4.00 kg and radius 0.100 m.A force of 100 N acts on the string.How long in seconds does it take to reach an angular speed of 100 radians/s starting from rest?
A)4000 s
B)1000 s
C)400 s
D)20 s
E)0.2 s

Question

A massless string is wrapped around a cylinder of mass 4.00 kg and radius 0.100 m.A force of 100 N acts on the string.How long in seconds does it take to reach an angular speed of 100 radians/s starting from rest? 
A)4000 s 
B)1000 s 
C)400 s 
D)20 s 
E)0.2 s

Quizplus · Accepted Answer

The Answer of A massless string is wrapped around a cylinder of mass 4.00 kg and radius 0.100 m.A force of 100 N acts on the string.How long in seconds does it take to reach an angular speed of 100 radians/s starting from rest? 
A)4000 s 
B)1000 s 
C)400 s 
D)20 s 
E)0.2 s

A Massless String Is Wrapped Around a Cylinder of Mass