Tim stands at 191 cm tall. If he stands 5 meters away from a mirror whose bottom edge is at the same height as the midpoint between the bottom of his foot and his pupil, what is the minimum length in centimeters that the mirror must be for him to see his entire body in the mirror?

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.

Abird flies directly overhead from where you stand at an altitude of 300.0 m and at a speed horizontal to the ground of 20.0 m/s. the bird has a mass of 2.0 kg. the radius vector to the bird makes an angle \thetaθ with respect to the ground. the radius vector to the bird and its momentum vector lie in the xyxy-plane. what is the bird’s angular momentum about the point where you are standing?

Smallest intensity of a stimulus that you can detect 50 percent of the time is