for the first time, i am gonna say, i hate the text book insetad of mastering physics. their answer for problem 9.41 is absolutely WRONG. i tried this out on the text book first and the "correct answer" was 2.25 while i kept getting 22.447 as my answer. i spent the whole morning trying to figure out where i went wrong. so i logged on the mastering physics hoping that there would be hints of which there were none. after trying out many methods, i came to the answer 11.7. thinking that i had a division error somewhere again, i keyed in 1.17. wrong again. i gave up and clicked showanswer. then the answer was 11.7.....
FAIL
DIE
I HATE THE PHYSICS TEXT BOOK
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