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Two particles of masses m_(1) and m_(2) in projectile motion have velocities bar(v)_(1) and bar(v)_(2) respectively at time t = 0. They collide at time t_(0). Their velocities become vec(v)_(1)^(1) and vec(v)_(2)^(1) at time 2t_(0) while still moving in air. The value of |(m_(1)vec(v)_(1)^(1) + m_(2) vec(v)_(1)^(1)) - (m_(1) vec(v)_(1) + m_(2) vec(v)_(2))| is |
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Answer» zero |
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