Physics, 24.01.2020 10:31 mgkman9814
Part one
a student sits on a rotating stool holding two
2 kg objects. when his arms are extended
horizontally, the objects are 1 m from the axis
of rotation, and he rotates with angular speed
of 0.73 rad/sec. the moment of inertia of the
student plus the stool is 8 kg m2
and is assumed to be constant. the student then pulls
the objects horizontally to a radius 0.28 m
from the rotation axis.
calculate the final angular speed of the
student.
answer in units of rad/s.
(use pictures)
part two
calculate the change in kinetic energy of the
system.
answer in units of j.
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Part one
a student sits on a rotating stool holding two
2 kg objects. when his arm...
a student sits on a rotating stool holding two
2 kg objects. when his arm...
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