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The Ideal Gas Law

Question 15 • LA-Chemistry A

Two cars, car A and car B, have equal mass. Which car has the greater kinetic energy if both cars have the same velocity?

Answer
A
Car A has greater kinetic energy.
B
Car B has greater kinetic energy.
C
Both cars have equal kinetic energy.

Explanation

Kinetic energy is calculated as KE = ½mv², where m is mass and v is velocity. Since the cars have equal mass and the same velocity, both values in the formula are the same, so their kinetic energies are equal. The correct choice is “Both cars have equal kinetic energy.”

AI-written and checked against the verified answer.

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