A girl of mass 50 Kg stands on roller skates near a wall. She pushes herself against the wall with a force of 30N. If the ground is horizontal and the friction on the roller skates is negligible, determine her acceleration from the wall.

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A girl of mass 50 Kg stands on roller skates near a wall. She pushes herself against the wall with a force of 30N.

If the ground is horizontal and the friction on the roller skates is negligible, determine her acceleration from the wall.

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