I’ll give which person will hear the highest pitch?

person a

person b

person c

all three people will hear the same pitch.

Mga halaman/punong ornamental na di namumulaklak

Which of the following are used in an electrochemical cell? a. electrodes b. electrolyte c. terminals d. all of the above

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?