need help with physics question. here is a link to the question. thanks in advance.?

jsoriano · #1 (**permalink**) 02-28-2008, 04:20 PM

http://i202.photobucket.com/albums/aa216/jsoriano12/hw58001.jpg

Julius Cassander · #2 (**permalink**) 02-28-2008, 04:24 PM

i'm in a hurry atm but i can tell you that
P= m.V so the total magnitute should be 0

-30 x m (i) -30 x m (j) find their resultant and equal it to 3m x (Q)

you will get the answer.

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