In what way is model b better than model a? - model b shows the types of elements in the compound, but model a does not. - model b shows the three-dimensional shape of the molecule, but model a does not. - model b shows how the atoms in the molecule are connected, but model a does not. -model b shows the number of atoms of each element in the molecule, but model a does not.

Aperson stands on a platform, initially at rest, that can rotate freely without friction. the moment of inertia of the person plus the platform is ip. the person holds a spinning bicycle wheel with its axis horizontal. the wheel has moment of inertia iw and angular velocity ωw. take the ωw direction counterclockwise when viewed from above. part a what will be the angular velocity ωp of the platform if the person moves the axis of the wheel so that it points vertically upward?

What happens when a rubber rod is rubbed with a piece of fur?

Talia is manufacturing rolls of wire for hanging pictures. she needs a material that is so that it can easily be pulled into wire without breaking.