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Item EG023003: Both a ball that is thrown and a ball that is dropped have motion energy while they are moving.

A girl and a boy are each holding a ball. The girl throws her ball, and the boy drops his ball. Which statement describes the kinetic energy (motion energy) of the balls while they are moving through the air?

  1. Both the ball that was thrown and the ball that was dropped have kinetic energy.
  2. The ball that was thrown has kinetic energy, but the ball that was dropped does not.
  3. The ball that was dropped has kinetic energy, but the ball that was thrown does not.
  4. Neither the ball that was thrown nor the ball that was dropped has kinetic energy.
Distribution of responses
Answer Choice
Overall
Grades
Gender
Primary Language
 
n = 1991
4–5
n = 441
6–8
n = 803
9–12
n = 747
Male
n = 963
Female
n = 995
English
n = 1782
Other
n = 165
A. Both the ball that was thrown and the ball that was dropped have kinetic energy. 56%51% 58% 58% 56% 57% 58% 46%
B. The ball that was thrown has kinetic energy, but the ball that was dropped does not. 23%30% 22% 21% 23% 24% 23% 24%
C. The ball that was dropped has kinetic energy, but the ball that was thrown does not. 12%13% 11% 12% 12% 12% 11% 18%
D. Neither the ball that was thrown nor the ball that was dropped has kinetic energy. 8%6% 8% 10% 9% 8% 8% 12%