a runner moves 2.88 m/s north. she accelerates at 0.350 m/s2 at -52.0 angle. at the point in the motion where she is running directly east, what is Δy?

Once a sound recording is made, how is the sound reproduced? by converting passive sound waves into active sound waves by converting sound waves into electronic signals by converting the electronic signals back into sound waves by speeding up the stored sound waves