A bullet of mass \( 0.05 \mathrm{~kg} \) moving with a speed of \( 80 \mathrm{~ms}^{-1} \) enter...

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A bullet of mass \( 0.05 \mathrm{~kg} \) moving with a speed of \( 80 \mathrm{~ms}^{-1} \) enters a wooden block and is stopped after a distance of \( 0.40 \mathrm{~m} \). The average resistive force exerted by the block on the bullet is
[Kerala PET 2008]
(a) \( 300 \mathrm{~N} \)
(b) \( 20 \mathrm{~N} \)
(c) \( 400 \mathrm{~N} \)
(d) \( 40 \mathrm{~N} \)
(e) \( 200 \mathrm{~N} \)
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