A bullet of 10 g strike a sand bag at a speed of 1000 m/s and gets embedded after travelling 5 cm.calculate the resistive force exerted by sand on the bullet.

A bullet of 10 g strike a sand bag at a speed of 1000 m/s and gets emb

1.	A bullet of 10 g strike a sand bag at a speed of 1000 m/s and gets embedded after travelling 5 cm.calculate the resistive force exerted by sand on the bullet.
Answer» <html><body><p><strong>Explanation:</strong></p><p><a href="https://interviewquestions.tuteehub.com/tag/mass-1088425" style="font-weight:bold;" target="_blank" title="Click to know more about MASS">MASS</a> of bullet should be =10gm=0.01kg</p><p>initial velocity (<a href="https://interviewquestions.tuteehub.com/tag/u-1435036" style="font-weight:bold;" target="_blank" title="Click to know more about U">U</a>)of bullet=1000m/s</p><p>final velocity (V)=0m/s(because it has <a href="https://interviewquestions.tuteehub.com/tag/stopped-3078245" style="font-weight:bold;" target="_blank" title="Click to know more about STOPPED">STOPPED</a> after striking sand)</p><p>displacement of bullet=5cm=0.05m</p><p>a)using 2as=V ²-U²</p><p>2(a)(0.05)=0²-1000²</p><p>2a(5/100)=-1000000</p><p>2a(1/20)=-1000000</p><p>a(1/10)=-1000000</p><p>a=-<a href="https://interviewquestions.tuteehub.com/tag/10000000-7553748" style="font-weight:bold;" target="_blank" title="Click to know more about 10000000">10000000</a>=-10power7</p><p>acceleration of bullet is -10power7or -10000000</p><p>by using F=ma</p><p>F=0.01(10000000)</p><p>F=1/100(10000000)</p><p>F=-100000N</p><p>there fore resistive force of bullet =-100000N</p><p></p><p>b)by using a=v-u/t</p><p>-10000000=0-1000/t</p><p>-10000000=-1000/t</p><p>-10000=t</p><p>or</p><p>t=-10⁴seconds</p></body></html>

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A bullet of 10 g strike a sand bag at a speed of 1000 m/s and gets embedded after travelling 5 cm.calculate the resistive force exerted by sand on the bullet.​

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A bullet of 10 g strike a sand bag at a speed of 1000 m/s and gets embedded after travelling 5 cm.calculate the resistive force exerted by sand on the bullet.