Which one does not affect the gravitational force between the 1 point earth and the sun? *
The mass of the earth
The mass of the sun
The distance between the earth and the sun
The net electrical charge of the earth

Apossible explanation for a set of facts that can be tested by further investigation is called

How many dots must be added to the symbol to properly represent a standard nitrogen ion? a) 1 b) 3 c) 5 d) 8

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?