A truck moves 60 kilometers east from point A to point B, it turns back west and stops 15 kilometers away from point A. What are the total distance and total displacement of the truck?

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?

Avoltaic cell converts chemical energy to

Which body part transports oxygen removes waste materials in carries nutrients to the body as part of the circulatory system