Question

Using second law of motion, derive the relation between force and acceleration. A bullet of 10 g strikes a sand-bag at a speed of 103 m s-1 and gets embedded after travelling 5 cm. Calculate (i) the resistive force exerted by the sand on the bullet PLS GIVE THE EXPLANATION THAT WHY HAVE YOU USED POSITIVE OR NEGATIVE SIGN. MENTION THE SIGN OF THE FORCE.

Answer 1

Answer:

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Explanation:

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Answer 2

Answer: write this after writting from picture .

✴️This distance of penetration of the Bolt into the block = 2.25 m

Here F = ma

10 / 1000 × ( -150/0.03)

= 50 N

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