Asked by Mike
A 4.00-m length of light nylon cord is wound around a uniform cylindrical spool of radius 0.500 m and mass 1.00 kg. The spool is mounted on a frictionless axle and is initially at rest. The cord is pulled from the spool with a constant acceleration of magnitude 2.86 m/s2.
(a) How much work has been done on the spool when it reaches an angular speed of 7.10 rad/s?
(b) How long does it take the spool to reach this angular speed?
(c) How much cord is left on the spool when it reaches this angular speed?
(a) How much work has been done on the spool when it reaches an angular speed of 7.10 rad/s?
(b) How long does it take the spool to reach this angular speed?
(c) How much cord is left on the spool when it reaches this angular speed?
Answers
Answered by
cj
im not sure
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