a thin partition divides a thermally insulated vessel into a lower compartment of volume v and an upper compartment of volume 2v. the lower compartment contains n moles of an ideal gas; the upper part is evacuated.

Abug is 12 cm from the center of a turntable that is rotating with a frequency of 45 rev/min . what minimum coefficient friction is required so that the bug stays on the turntable?

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?

During the past 150 years in the united states, how did energy consumption compare to population growth