Question

A bullet of mass 20 g has an initial speed of 1 ms,just before it starts penetrating a mud wall of thickness 20cm. If the wall offers a mean resistance of 2.5 * 10-N,the speed of the bullet after emerging from the other sideof the wall is close to :(a) 0.3 ms? (b) 0.1 ms-' (c) 0.7 ms? (d) 0.4 ms -1​ :

Answer 1

Answer:

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