The high-speed drill of a dentist is driven by an air turbine and achieves a rotational speed of 450000 rev/min. The radius of the cutting burr is 1.0 mm. (a) Find the linear speed of the outer edge of the cutting burr. (b) Determine the acceleration of the outer edge and express this as a multiple of the gravitational acceleration, g.

The electric potential v is constant everywhere within a certain region of space. which statement below is true? the choices are: the electric field is also constant (but not zero) within the region. a charged particle placed within the region will experience an electric force. the electric field is zero everywhere within the region. the electric field varies from place to place within the region.