A. they collide without losing energy
B. they move randomly in a straight line
C. their average kinetic energy is variable
D. the distance between them is large compared to their size
Correct Answer:
Option A – they collide without losing energy
A. they collide without losing energy
B. they move randomly in a straight line
C. their average kinetic energy is variable
D. the distance between them is large compared to their size
Correct Answer:
Option A – they collide without losing energy
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