Question #63e2c

1 Answer
Sep 12, 2017

vec r= - 68*1/2 hati-68*sqrt3/2 hatj + 170*cos 20 hat j-170*sin20*hati

Explanation:

The resultant disp is

vec r= - 68*1/2 hati-68*sqrt3/2 hatj + 170*cos 20 hat j-170*sin20*hatiownown #.

by talking components along hatj and hat i we did it.

solve for the answer ,or you can leave it this way as non standard angles are used.