Afire station has a horn that sounds a 1750hz. if you are on your bike moving toward it at 8m/s, what will be the frequency you hear? assume the air is 20 degrees celsius.

it is the second option.

"i have always loved contemporary art and made it a general goal to work within the field. after a few nonprofit internships at museums and galleries, i decided to try the for-profit art world and was offered a job as the ad assistant at the magazine. i much prefer the pace of the for-profit art community and have stayed with the company for three years, with a promotion to an account manager last spring."

i just did this and got a 100.