4. your clock radio awakens you with a steady and irritating sound of frequency of 600 hz. one morning, it malfunctions and cannot be turned off. in frustration, you drop the clock out of your fourth-story dorm window, 15.0 m from the ground. assume the speed of sound is 343 m/s. as you listen to the falling clock radio, what frequency do you hear just before you hear it strike the ground?

"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.

you go to your settings preference and in the end youll see sth that says "i want to delete my acc" click on it and u'll acc will be deleted but u have to wait.