Two spheres are moving towards each other. Which of the following is the
best evidence that the spheres have transferred energy from one to the other?
A. The friction of the surface decreases
B. Gravity is always acting on the spheres
C. The motion of the sphere changes
Or
D. Both of the spheres have the same mass
Answers: 1
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Two spheres are moving towards each other. Which of the following is the
best evidence that the sph...
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