Question

a bullet of mass 10g strikes a sand bag at a speed of 10³ m/s and gets embedded after travelling 5 cm. calculate (a). the resistive force exerted by sand on the bullet (b). the time taken by the bullet to comes at rest.​

Answer 1

Answer:

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Explanation:

v2=u2+2as

0=(103)2+2×a×(5×10−2)

a=−107 m/s2

v=u+at

0=103−107×t

t=10−4 s