A) they are equal in mass
B) they are losing kinetic energy
C) they are made of different materials
D) they do not have any stored energy
Correct Answer: C
Solution :
The kinetic energy of an object depends on its mass and speed. The cars are moving at the same speed; therefore their masses must be different. Since they are of the same size, it is likely that they are made of different materials, which makes their masses different.You need to login to perform this action.
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