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19/09/2020 6:29 pm
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A thin rod of mass 0.9 kg and length 1m is suspended, at rest, from one end so that it can freely oscillate in the vertical plane. A particle of move 0.1 kg moving in a straight line with velocity 80 m/s hits the rod at its bottom most point and sticks to it (see figure). The angular speed (in rad/s) of the rod immediately after the collision will be …………
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19/09/2020 6:31 pm
Li = Lf
0.1 x 80 x 1 = 0.9 x (1)2/3 x ω
ω = 20