Question

At which time (or times) is the particle farthest from the origin?

Answer 1

I think you should have a line equation of your particle to answer this question.

Answer 2

I do, but don't know how to post it that's why i closed the question.

Answer 3

just write it down..

Answer 4

http://i153.photobucket.com/albums/s235/XplicitJ/ScreenShot2013-09-14at71925PM_zpsb49bd8ec.png

Answer 5

a) At which time (or times) is the particle farthest from the origin?
b) At which time (or times) is the particle at rest for only an instant?
c) At which time (or times) is the particle moving away from the origin?
d) At which time (or times) is the particle's acceleration negative?

Answer 6

i'm not sure but i think that
a-E
b-C
c-B
d-D

Answer 7

Thank you for trying anyway

Answer 8

your welcome