Laws of MotionMedium
Question
Block A and C start from rest and move to the with acceleration aA = 12t m/s2 and aC = 3 m/s2 . here t is in seconds. The time when block B again to rest is
Options
A.2s
B.1s
C.
s
sD.
s
sSolution
Block B will again comes to rest if
vA = vc i.e. 3t = (12t)t/2 ⇒ t =
s
vA = vc i.e. 3t = (12t)t/2 ⇒ t =
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