10/18/21
When would a skateboarder have the most potential energy? (at the top, bottom, or middle of the hill)
The top of the hill
During a game of tug-a-war, neither team is able to make any advance. What can be assumed about the forces?
The forces are balanced
The chemical equation for sodium sulfate is Na2SO4. How many sulfur atoms are in the formula for sodium sulfate?
1