- #1
jack1234
- 133
- 0
Hi, for this question
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?
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?