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Instantaneous Force and Impulse

A bullet of m...

Question

A bullet of mass $60$ g moving with the velocity of $500$ m/s is brought to rest in $0.01$ s. Its impulse will be?

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Solution

v = u + at
0 = 500 + a(0.01)
a = -50000
F = ma
$F = 0.06 \times (- 50000)$
$F = - 3000 N$
impulse,J = Ft
J = $3000 \times 0.01$
$J = 30 N s$

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