In lecture, we saw a video of researcher janet werker studying the capacity of infants to detect speech sounds. she trained them to turn their head at a sound change (such as "ba" to "pa"), then exposed them to speech sounds that do not exist in english. what were her findings?

Asun-sized star will spend most of its lifetime as a: white dwarf red giant protostar main-sequence star

For the car in the picture ,in which direction is the normal force? -into the screen -down -out of the screen -up

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?