1. If you are dropping a solid ball which include both rotational and translational motions, how do you solve this problem? Explain, what will happen to the final velocity if there is a rotational motion. 2. If you roll solid and hollow spheres on an incline at the same time, which one will reach the ground first? Why? 3. If you spin on the tunable table, you can move your arms close together to your body, then you will spin faster, why?

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