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Item EG004004: A car has the most motion energy when it is traveling at the highest speed.

A man is driving a car. He slows down to stop at a stop sign.

When does the car have the most motion energy (kinetic energy)?

  1. When the car's speed is 30 miles per hour
  2. When the car's speed is 15 miles per hour
  3. When the car's speed is 0 miles per hour
  4. The car's motion energy is the same the whole time.
Distribution of Responses
Chart showing distrubtion of responses for Item EG004004
Students Responding Correctly
Group Correct Total Percent
Overall 2003 3116 64%
  6–8 1233 1948 63%
  9–12 761 1157 66%
Primary Language

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