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A block of mass m = 1 kg slides with vel...

A block of mass m = 1 kg slides with velocity `upsilon = 6 m//s` on a frictionless horizontal surface and collides with a uniform vertical rod and sticks to it as shown. The rod is pivoted about O and swings as a result of the collision making angle `theta` before momentarily coming to rest. If the rod has mass M = 2 kg, and length `l = 1m`, the value of `theta` is approximately: (take `g = 10 m//s^2`)

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