Warmup 9- 03.19.2013
1) 20 km/ 60 min or 1 km/ 3 min
2) I am an object that weighs 500 grams, and someone pushes me with 2 newtons, so I go medium speed, then someone pushes me with 3 newtons of force, so I go faster.
2) I am an object that weighs 500 grams, and someone pushes me with 2 newtons, so I go medium speed, then someone pushes me with 3 newtons of force, so I go faster.