Multiple choice question X — task. Science CBSE, Class 9.

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1. During inelastic collision of two particles:

\((KE)_{final}\ =\ (KE)_{initial}\)
\((KE)_{final}\) must be greater than \((KE)_{initial}\)
\((KE)_{final}\) must be less than \((KE)_{initial}\)
\((KE)_{final}\) may be greater or less than \((KE)_{initial}\)

2. Two balls at the same temperature collide, which is conserved?

Temperature
Velocity
Kinetic energy
Momentum

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