A 36.00 kg lead sphere is hanging from a hook by a thin wire 2.80 m...

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A 36.00 kg lead sphere is hanging from a hook by a thin wire 2.80 m long and is free to swing in a complete circle. Suddenly it is struck horizontally by a 5.00 kg steel dart that embeds itself in the lead sphere. Part A What must be the minimum initial speed of the dart so that the combination makes a complete circular loop after the collision? Express your answer with the appropriate units. HA ? Value Units A 36.00 kg lead sphere is hanging from a hook by a thin wire 2.80 m long and is free to swing in a complete circle. Suddenly it is struck horizontally by a 5.00 kg steel dart that embeds itself in the lead sphere. Part A What must be the minimum initial speed of the dart so that the combination makes a complete circular loop after the collision? Express your answer with the appropriate units. HA ? Value Units