# Mechanics - 3

Given that:

• the velocity of $A$ with respect to $C$, $v_{AC} = \text{300 m/s}\uparrow$ (note the direction of the velocity)
• the velocity of $B$ with respect to $A$, $v_{BA} = \text{200 m/s}\downarrow$.

Find the absolute velocity of $A$, $v_A$.

Assumptions:

• The strings are massless and inextensible.
• The pulleys are massless and there is no friction in the pulley and between the string and pulley.

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