The figure shows the position -time (x-t) graph of one dimensional motion of a body of mass 0.4Kg . The magnitude of each impulse is .
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Explanation:- From the graph , it is straight line , so uniform motion . because of impulse direction of velocity changes as can seen from the slop of the graph .
- Initial velocity v₁ = 2/2m/s = 1m/s
- final volocity V₂ = -2/2 = -1m/s
- pⁱ = mv₁ = 0.4 × 1 = 0.4N-S
- pᶠ = mv₂ = 0.4× -1 = -04 N-S
- J = pⁱ - pᶠ = -0.4 - 0.4 = -0.8 N-S where J = impulse ]
|J| = 0.8 N-S Answer
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