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4-1.Newton's Laws of Motion
medium
Find the velocity of the hanging block if the velocities of the free ends of the rope are as indicated in the figure.
A
$\frac{3}{2}\,m / s \uparrow$
B
$\frac{3}{2}\,m / s \downarrow$
C
$\frac{1}{2}\,m / s \uparrow$
D
$\frac{1}{2}\,m / s \downarrow$
Solution
From constrained
$+2-v_B-v_B+1=0$
$v_B=\frac{3}{2}\,m / s \uparrow$
Standard 11
Physics
