Two point-like beads which have the same mass are rotating at the ends of a li shown. The rod is initially rotating at w; = 2.00 rev/sec. An internal mechanism extends the length of the rod to be l = 120 cm. How fast is the rod rotating after its length was extended? (A) wp = 0.174 rev/s Wi (B) wr = 0.347 rev/s (C) wp = 0.417 rev/s (D) wp = 0.833 rev/s (E) ws = 1.67 rev/s (F) ws = 2.00 rev/s Rotation axis (G) wr = 11.5 rev/s A rotating massless rod with two beads on each end. The rod extends its length from l, to ly via an internal mechanism while rotating.
Two point-like beads which have the same mass are rotating at the ends of a li shown. The rod is initially rotating at w; = 2.00 rev/sec. An internal mechanism extends the length of the rod to be l = 120 cm. How fast is the rod rotating after its length was extended? (A) wp = 0.174 rev/s Wi (B) wr = 0.347 rev/s (C) wp = 0.417 rev/s (D) wp = 0.833 rev/s (E) ws = 1.67 rev/s (F) ws = 2.00 rev/s Rotation axis (G) wr = 11.5 rev/s A rotating massless rod with two beads on each end. The rod extends its length from l, to ly via an internal mechanism while rotating.
College Physics
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Chapter1: Units, Trigonometry. And Vectors
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Cut off says l_i= 50 cm long massless rod shown. The rod is initially rotating...
Transcribed Image Text:Two point-like beads which have the same mass are rotating at the ends of a l; =
shown. The rod is initially rotating at w; = 2.00 rev/sec. An internal mechanism extends the length of the rod
to be lf = 120 cm. How fast is the rod rotating after its length was extended?
(A) wp = 0.174 rev/s
Wi
(B) wr = 0.347 rev/s
(C) wf = 0.417 rev/s
(D) ws = 0.833 rev/s
(E) wf = 1.67 rev/s
(F) wf = 2.00 rev/s
Rotation axis
(G) ws = 11.5 rev/s
A rotating massless rod with two beads on each end. The rod extends its length
from l; to ls via an internal mechanism while rotating.
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