An 4 8 Kg Object Gains Height 5 6 While Being Accelerated From Rest To A Final S

An 4.8 kg object gains height 5.6 while being accelerated from rest to a final speed of 8.2 m/s by an external force.  What was the work (in J) done on the object by this force?

Let g=9.8 m/s^2

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