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What is Impulse?

Impulse is defined as "the rate of change in momentum" and is given by the equation:

I = mv - mu,

where u is the initial velocity and v is the final velocity. Note that the units of impulse are Ns, so impulse can also be defined as as Force x Time, so can be found by the area under a force-time graph.

William D. A Level Maths tutor, GCSE Maths tutor, GCSE Chemistry tuto...

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