The space shuttle is descending through the earth's atmosphere. how is the force of gravity affected? a: it will remain constant. b: it will increase with descent. c: it will decrease with descent.

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?

To a of 4 x hz is 1. 0. mm nm nm

Describe how the motion of a spring being pushed forward and backward is similar to the motion of air particles in a sound wave.