Motion in A Straight Line

Question: The velocity of a bullet is reduced from 200m/s to 100m/s while travelling through a wooden block of thickness 10cm. The retardation, assuming it to be uniform, will be



1) \[10 \times {10^4} m/s^2\]
2) \[12 \times {10^4} m/s^2\]
3) \[13.5 \times {10^4} m/s^2\]
4) \[15 \times {10^4} m/s^2\]
Solution: Explanation: Explanation
non-uniform-motion

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