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A molecule of mass m moving with a velocity v makes 5 elastic collisions with a wall of the container per second. The change in its momentum per second will be_______________

A molecule of mass m moving with a velocity v makes 5 elastic collisions with a wall of the container per second. The change in its momentum per second will be_______________

Grade:12

2 Answers

Saurabh Koranglekar
askIITians Faculty 10335 Points
3 years ago
Change in momentum in one collision
= mv - (-mv) = 2mv
∴∴For 5 collisions, the change in momentum/sec = 10 mv
Vikas TU
14149 Points
3 years ago
Change in momentum in one collision
= mv - (-mv) = 2mv
∴ For 5 collisions, the change in momentum/sec = 10 mv

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