8.
Put the people lifting weights in order from least power to most power exerted on their weights.
Jennifer, who lifts 490 N a distance of 1 m in 2 seconds
Mark who lifts 890 N a distance of 1 m in 1 seconds
Paul, who lifts 1,470 N a distance of 1 m in 2 seconds
From least power to most power exerted on their weights:
Jennifer (490 N in 2 seconds)
Paul (1,470 N in 2 seconds)
Mark (890 N in 1 second)