Two solid spheres, each of mass 70 kg and radius 10 cm, are joined by a...

Question

Question

Two solid spheres, each of mass 70 kg and radius 10 cm, are joined by a solid rod of mass 5 kg and length 12 cm, form a barbell

A) find the moment of inertia for the whole barbell assemblage when spinning around the axis (USE PARALLEL AXIS THEOREM)

B) If the center of mass is moving at 1.4 m/s and the barbell is spinning at 12 radians/s, what is the total kinetic energy?

C) Considering only the rotational motion of 12 rad/s, how much torque must be applied to bring this motion to stop in 20 s?

science physics

Answer 1

Answer #1

Answer 2

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