Physics, 18.12.2019 02:31 chloesmolinski0909
An adventurous stdent stands on top of a spinning chair holding a jack-o-lantern in each hand (each of which is 5.0 kg) as she extents her arms horizontally.
she spins around, making one revolution in 2.0 s.
the moment of inertia when her arms are outstretched is 13.0 kgm, and if she brings the jack-o-lanterns in close to her stomach, the moment of inertia drops to 2.6 kgm? .
what is the final angular velocity?
(a) 2.5 rev/s
(b) 2.5 rad/s
(c) 27 rad/s
(d) 0.5 rev/s
(e) 5.0 rev/s
Answers: 3
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Orque can be calculated by multiplying the force (n) applied at 90? to the lever arm at a distance (m) from the pivot point (point of rotation), the compound si unit for the torque is n? m. if the force (at 90? to the lever arm) applied is 15 n and it is applied at 2.0 m from the pivot point (point of rotation), what is the torque on the lever?
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An adventurous stdent stands on top of a spinning chair holding a jack-o-lantern in each hand (each...
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