Question
A sprinter runs 100 meters at a speed of 7 meters per second. Then she cools down by running 100 meters at 3.5 meters per second. What is the best prediction?
KE=12mv2
(1 point)
Responses
Her kinetic energy decreases by a factor of 2 when she cools down.
Her kinetic energy decreases by a factor of 2 when she cools down.
Her kinetic energy decreases by a factor of 4 when she cools down.
Her kinetic energy decreases by a factor of 4 when she cools down.
Her kinetic energy stays the same.
Her kinetic energy stays the same.
Her kinetic energy doubles when she cools down.
KE=12mv2
(1 point)
Responses
Her kinetic energy decreases by a factor of 2 when she cools down.
Her kinetic energy decreases by a factor of 2 when she cools down.
Her kinetic energy decreases by a factor of 4 when she cools down.
Her kinetic energy decreases by a factor of 4 when she cools down.
Her kinetic energy stays the same.
Her kinetic energy stays the same.
Her kinetic energy doubles when she cools down.
Answers
GPT 3.5
Her kinetic energy decreases by a factor of 4 when she cools down.