Which object would have the most momentum?
a.
a 500-pound car moving at 20 miles per hour
b.
a 200-pound car moving at 60 miles per hour
c.
a 100-pound car moving at 80 miles per hour
d.
a 50-pound car moving at 100 miles per hour

Which of the following defines scoliosis? a. a posture disorder characterized by the shoulders being rounded and the back hunched b. a posture disorder in which the spine curves up the back like a snake c. a posture disorder characterized by excessive curvature or arch in the lower back d. none of the above