- #1

jack1234

- 133

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http://tinyurl.com/yvadld

This is what I have done:

in x direction

5*60=5*v1*cos30 + 2*v2*cos30 --(1)

In y direction

0=5*v1sin30 + 2*v2sin30 --(2)

From (2), v1=-(2/5)*v2 subs into (1)

And what I get is 300=-2*v2*cos30 + 2*v2*cos30

What is the problem?