Laws of MotionHard
Question
In the figure show block B moves down with a velocity 10 m/s. The velocity of A in the position shown is
Options
A.12.5 m/s
B.25 m/s
C.6.25 m/s
D.None of these
Solution
x2 + d2 = y2 ⇒ x 
= y 
⇒ xvA = y(20) ⇒ vA = 25 ms-1.
= y ⇒ xvA = y(20) ⇒ vA = 25 ms-1.
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