- #1
ohheytai
- 85
- 0
A barbell consists of two small balls, each with mass 400 grams (0.4 kg), at the ends of a very low mass rod of length d = 35 cm (0.35 m). The center of the barbell is mounted on the end of a low mass rigid rod of length b = 0.525 m (see Figure). The apparatus is started in such a way that although the rod rotates clockwise with angular speed 80 rad/s, the barbell maintains its vertical orientation.
calculate Lrot
Lrot= I[tex]\omega[/tex]
I=mr^2
i tried
(.8kg)*.35^2*80rads/s
and
(.8kg)*.525^2*80rads/s
both are wrong can someone help me?
and i also need help finding the the translational angular momentum too
calculate Lrot
Lrot= I[tex]\omega[/tex]
I=mr^2
i tried
(.8kg)*.35^2*80rads/s
and
(.8kg)*.525^2*80rads/s
both are wrong can someone help me?
and i also need help finding the the translational angular momentum too
Last edited: