You are told 3 things...1. That there are two objects with equal masses. 2. Both objects are in motion. 3. One object has a greater kinetic energy than the other. How is this possible?
Responses:
One object has a greater volume than the other object.
One object has a greater speed than the other object.
One object has a greater density then the other object.
One object is blue and one object is red.
The second possible explanation is correct: One object has a greater speed than the other object. Kinetic energy is directly proportional to the square of an object's speed, so if one object has a higher speed than the other, it will have a greater kinetic energy, even if both objects have equal masses. The other given options (greater volume, greater density, or different colors) do not directly affect the kinetic energy.
