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Item EG003002: Two children that have the same mass and are sledding at the same speed have the same amount of motion energy.

A boy and a girl are sledding down a hill. The boy and the girl weigh the same, and they are using sleds that weigh the same.

If the boy and girl are sledding at the same speed, which child has more motion energy (kinetic energy)?

  1. The boy has more motion energy.
  2. The girl has more motion energy.
  3. Both of them have the same amount of motion energy.
  4. Neither the boy nor the girl has any motion energy.
Distribution of Responses
Chart showing distrubtion of responses for Item EG003002
Students Responding Correctly
Group Correct Total Percent
Overall 1330 2287 58%
Grades
  6–8 805 1429 56%
  9–12 518 848 61%
Gender
  Male670113759%
  Female632111157%
Primary Language
  English1201202659%
  Other10321249%

View data table