What is the magnitude of the vertical component of the velocity of the plane in item 1?

  soil is  vegetal. in forest or prairies, as well as agricultural fields, dead plants are transformed by different kinds of living organisms. 

If the woman is just hanging off the bar then i think each arm will support 350n  and if she accelerates 1400n   

The correct option is this: the sound waves from the two trombones have slightly different frequencies.from the question given above, we are told that the loudness of the sounds were increasing and decreasing, this is because the frequencies of the two sounds are different. the means that the number of waves that pass a fixed point in a given amount of time differ for both sounds.