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A 6.0 kg mess kit sliding on a frictionless surface explodes into two 3.0 kg parts:...

A 6.0 kg mess kit sliding on a frictionless surface explodes into two 3.0 kg parts: 2.0 m/s, due north, and 5.5 m/s, 30° north of east. What was the original speed of the mess kit?

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