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Potential Energy of an Object at a Height

The bullets a...

Question

The bullets are hitting the wall as $3 b u l l e t s / s$ . If these bullets of mass $50 g$ each are trapped in the wall, then force acting on the wall due to impact should be (Velocity of bullet striking $= 500 m s^{- 1}$ ):

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Solution

$F = m a = m \frac{v}{t} n = 0.05 \times 500 \times 3 = 75 N$

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