Questions
The position-time graph of a body of mass 0.04 kg. Suggest a suitable physical context for this motion. The time between two consecutive impulses received by the body, the magnitude of each impulse is
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Correct option is B
The graph could be representing a ball rebounding between two walls separated by 2 cm with a constant velocity in free space. After receiving the impulse ball changes its direction. Hence time between two impulses is 2 seconds.
velocity = timedisplacement = = 0.01 m/s
Initial momentum,
mu = kgm/s
Final momentum,
mv = kgm/s
∴ Change in momentum = kgm/s
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