A 20.00 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. What must be the minimum initial speed of the dart so that the combination makes a complete circular loop after the collision?
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A 20.00 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. What must be the minimum initial speed of
the dart so that the combination makes a complete circular loop after
the collision?
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