Answer:
![=\frac{1/3}{5/6} = 0.4](https://tex.z-dn.net/?f=%3D%5Cfrac%7B1%2F3%7D%7B5%2F6%7D%20%3D%200.4)
Explanation:
Moment of inertia of given shell![= \frac{2}{3} MR^2](https://tex.z-dn.net/?f=%20%3D%20%5Cfrac%7B2%7D%7B3%7D%20MR%5E2)
where
M represent sphere mass
R -sphere radius
we know linear speed is given as ![v = r\omega](https://tex.z-dn.net/?f=v%20%3D%20r%5Comega)
translational ![K.E = \frac{1}{2} mv^2 = \frac{1}{2} m(r\omega)^2](https://tex.z-dn.net/?f=K.E%20%3D%20%5Cfrac%7B1%7D%7B2%7D%20mv%5E2%20%3D%20%5Cfrac%7B1%7D%7B2%7D%20m%28r%5Comega%29%5E2)
rotational ![K.E = \frac{1}{2} I \omega^2 = \frac{1}{2} \frac{2}{3} MR^2 \omega^2](https://tex.z-dn.net/?f=K.E%20%3D%20%5Cfrac%7B1%7D%7B2%7D%20I%20%5Comega%5E2%20%3D%20%5Cfrac%7B1%7D%7B2%7D%20%5Cfrac%7B2%7D%7B3%7D%20MR%5E2%20%5Comega%5E2)
total kinetic energy will be
![K.E = \frac{1}{2} m(r\omega)^2 + \frac{1}{2} \frac{2}{3} MR^2 \omega^2](https://tex.z-dn.net/?f=K.E%20%3D%20%5Cfrac%7B1%7D%7B2%7D%20m%28r%5Comega%29%5E2%20%2B%20%5Cfrac%7B1%7D%7B2%7D%20%5Cfrac%7B2%7D%7B3%7D%20MR%5E2%20%5Comega%5E2)
![K.E =\frac{5}{6} MR^2 \omega^2](https://tex.z-dn.net/?f=K.E%20%3D%5Cfrac%7B5%7D%7B6%7D%20MR%5E2%20%5Comega%5E2)
fraction of rotaional to total K.E
![=\frac{1/3}{5/6} = 0.4](https://tex.z-dn.net/?f=%3D%5Cfrac%7B1%2F3%7D%7B5%2F6%7D%20%3D%200.4)
Answer:
480
Explanation:
resistance equals to potential difference divide by electric current
120÷0.25
=480
Answer:
Book. Bottle. table are some examples of objects in equilibrium found in classroom