The period of the sound waves produced by the motor is 8.3 milliseconds. Calculate the frequency of the sound waves.

Asteady current of 1 ais flowing through a conducter calculate the number of electrons that flows through conductor in 1second

Aregular polygon has angkes of size 150° each. how many side has the polygon

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?