Which one of the following statement does not hold good when two balls of masses m,...

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Which one of the following statement does not hold good when two balls of masses m, & m, undergo elastic collsion (a) When m, m, and m, at rest, after collision the ball of mass m, moves with four times the velocity m₁. (c) When m₁ = m, and m, at rest, there will be maximum transfer of kinetic energy. (d) When collision is oblique & m₂ at rest with m₁= m₂, after collision the balls move in opposite directions. Which one of the following statement does not hold good when two balls of masses m, & m, undergo elastic collsion (a) When m, m, and m, at rest, after collision the ball of mass m, moves with four times the velocity m₁. (c) When m₁ = m, and m, at rest, there will be maximum transfer of kinetic energy. (d) When collision is oblique & m₂ at rest with m₁= m₂, after collision the balls move in opposite directions.