The table that follows lists four pairs of initial and final angular velocities for a rotating fan blade. The elapsed time for each of the four pairs of angular velocities is 3.5 s. For each of the four pairs, find the average angular acceleration (magnitude and direction as given by the algebraic sign of your answer). Initiel

University Physics Volume 1
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Chapter4: Motion In Two And Three Dimensions
Section: Chapter Questions
Problem 85AP: A propeller blade at rest starts to rotate from t=0 to t=5.0s with a tangential acceleration of the...
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The table that follows lists four pairs of initial and final angular velocities for a rotating fan blade. The elapsed time for each of the
four pairs of angular velocities is 3.5 s. For each of the four pairs, find the average angular acceleration (magnitude and direction as
given by the algebraic sign of your answer).
Initial angular velocity wo
Final angular velocity w
(a)
+1.0 rad/s
+6.0 rad/s
(b)
+4.0 rad/s
+1.0 rad/s
(c)
-9.0 rad/s
-3.0 rad/s
(d)
+2.0 rad/s
-3.0 rad/s
(a) a =
i
(b) a =
i
(c)
=
i
(d) a =
i
>
>
>
>
>
>
Transcribed Image Text:The table that follows lists four pairs of initial and final angular velocities for a rotating fan blade. The elapsed time for each of the four pairs of angular velocities is 3.5 s. For each of the four pairs, find the average angular acceleration (magnitude and direction as given by the algebraic sign of your answer). Initial angular velocity wo Final angular velocity w (a) +1.0 rad/s +6.0 rad/s (b) +4.0 rad/s +1.0 rad/s (c) -9.0 rad/s -3.0 rad/s (d) +2.0 rad/s -3.0 rad/s (a) a = i (b) a = i (c) = i (d) a = i > > > > > >
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