Question

when a bullet having velocity 200m/s penetrates a 1 m thick wooden block , its velocity decreases to 100m/s . calculate the retardation of the bullet​

Answer 1

Answer:

retardation is 15000m/sec²

Explanation:

s=1m

u=200m/sec

v=100m/sec

we know that

v²-u²=2as

100²-200²=2×a×1

-30000=2a

-30000/2=a

-15000m/sec²=a

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