363485 A disc of mass \(100\;g\) is kept floating horizontally in air by firing bullets, each of mass \(5\;g\) with the same velocity at the same rate of 10 bullets per second. The bullets rebound with the same speed in opposite direction. The velocity of each bullet at the time of impact is
363485 A disc of mass \(100\;g\) is kept floating horizontally in air by firing bullets, each of mass \(5\;g\) with the same velocity at the same rate of 10 bullets per second. The bullets rebound with the same speed in opposite direction. The velocity of each bullet at the time of impact is
363485 A disc of mass \(100\;g\) is kept floating horizontally in air by firing bullets, each of mass \(5\;g\) with the same velocity at the same rate of 10 bullets per second. The bullets rebound with the same speed in opposite direction. The velocity of each bullet at the time of impact is
363485 A disc of mass \(100\;g\) is kept floating horizontally in air by firing bullets, each of mass \(5\;g\) with the same velocity at the same rate of 10 bullets per second. The bullets rebound with the same speed in opposite direction. The velocity of each bullet at the time of impact is