2-17. Block B is moving with an initial downward velocity 
and block A is moving on a smooth plane. If 
and 
, and the mass of the pulleys and cords are negligible,
determine the velocity of A when 
.
Solution:
2-17. Block B is moving with an initial downward velocity and block A is moving on a smooth plane. If and , and the mass of the pulleys and cords are negligible,
determine the velocity of A when .
Solution: