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A woman pushes on a 2.5-kg block with an unknown force as shown in the animation (position is given in meters and time is given in seconds). At t = 2 seconds she doubles the force applied to the block. Restart.

1. Determine the total work done on the block and table in the first two seconds of the animation.
2. Determine the total work done on the block and table in the final two seconds of the animation.