A 250 kg motorcycle is driven around a 12 meter tall vertical circular track at a constant speed of 11 m/s.

What is the centripetal acceleration experienced by the

motorcycle?

When many atoms are split in a chain reaction, a large explosion occurs. this is an example of what type of energy conservation

Jackson is designing a new heater, and he wants to experiment with different thermally conductive materials. which of these materials would be useful in conducting heat?

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?