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Ruchi.

  • 2 years ago

a bullet going with speed 350m/s enters a concrete wall and penerate a distance of 0.5cm before coming to rest.find decelaration.

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  1. Dalvoron
    • 2 years ago
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    You have initial velocity, final velocity, and displacement. Therefore, you could use: \[a=\frac{v_1-v_0}{t}\]and\[s=v_0t+\frac{1}{2}at^2\], which should allow you to find t, which would further allow you to find a!

  2. Aadarsh
    • 2 years ago
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    \[v ^{2} - u ^{2}= 2 a s\]

  3. Aadarsh
    • 2 years ago
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    - 350 * 350 = 2 * 1/ 200 * a Or, a = - 350 * 350 * 100

  4. Aadarsh
    • 2 years ago
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    @Taufique bhai, please help.

  5. Taufique
    • 2 years ago
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    |dw:1338450546287:dw|

  6. Taufique
    • 2 years ago
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    @Aadrsh, kaise ho bhai aap...

  7. Aadarsh
    • 2 years ago
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    Thik huun bhai. To mera answer sahi hai na bhaiyaji...............??????????

  8. Taufique
    • 2 years ago
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    han apka answer sahi hai apne positive sign lekr bnaya hai isliye apka answer negative aya pr mai retardation lekr hi formula me negative sign laga diya hun isliye answer positive me arha hai ok..

  9. Aadarsh
    • 2 years ago
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    okkkkkkkkkkk

  10. Taufique
    • 2 years ago
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    aadarsh ruchi kaun se class me hai...

  11. Aadarsh
    • 2 years ago
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    ji bhaiya, ruchi di 11th mein hain.

  12. Ruchi.
    • 2 years ago
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    or aadarsh bhai bhi 11th me hai

  13. Aadarsh
    • 2 years ago
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    yani ruchi di ke saath same class mein hi!!!!!!!!!:))))))))

  14. Aadarsh
    • 2 years ago
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    mujhe "budha" mat banaiye ruchi di i have just bnow entred class 11.

  15. Aadarsh
    • 2 years ago
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    Congrats ruchiii diiiii

  16. Taufique
    • 2 years ago
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    hehe....

  17. Aadarsh
    • 2 years ago
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    Heheheheh

  18. Taufique
    • 2 years ago
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    mera bhai v is bar eleventh me gya hai....

  19. Aadarsh
    • 2 years ago
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    Jii haan. 2 saal ke baad ...........................................IIT(hope so.............)

  20. Taufique
    • 2 years ago
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    apka Aadarsh bhai kvpy ka taiyari kaisa chal rha hai han...

  21. Aadarsh
    • 2 years ago
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    Thik Thank bhai,........... abhi ncert ki portion start kiya huun. 2 - 3 mahine mein tayari puri ho jayegi........

  22. Ruchi.
    • 2 years ago
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    tnx 4 hlp @taufique

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