The way your brain interprets the intensity of a sound is the
a. loudness b. pitch c. frequency d. amplitude

Asher cycles 12 miles in 16 hours. what is his speed?

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?

How is sound energy produced a. vibrating objects b. objects being heated c. temperature differences d. stationary objects