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Item EG092002: The motion energy of an object depends on the speed of the object but not the direction the object is moving.

The kinetic energy (motion energy) of an object depends on which of the following?

  1. Both the speed of the object and the direction the object is moving
  2. The speed of the object but not the direction the object is moving
  3. The direction the object is moving but not the speed of the object
  4. Neither the speed of the object nor the direction the object is moving
Distribution of responses
Answer Choice
Overall
Grades
Gender
Primary Language
 
n = 1501
4–5
n = 277
6–8
n = 636
9–12
n = 588
Male
n = 726
Female
n = 750
English
n = 1275
Other
n = 185
A. 38%39% 39% 36% 37% 39% 38% 37%
B. 41%41% 36% 47% 40% 42% 41% 40%
C. 12%14% 15% 9% 14% 11% 12% 12%
D. 9%6% 10% 9% 10% 8% 9% 10%