anonymous
  • anonymous
a bullet going with speed 350m/s enters a concrete wall and penerate a distance of 0.5cm before coming to rest.find decelaration.
Physics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
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!
anonymous
  • anonymous
\[v ^{2} - u ^{2}= 2 a s\]
anonymous
  • anonymous
- 350 * 350 = 2 * 1/ 200 * a Or, a = - 350 * 350 * 100

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anonymous
  • anonymous
@Taufique bhai, please help.
anonymous
  • anonymous
|dw:1338450546287:dw|
anonymous
  • anonymous
@Aadrsh, kaise ho bhai aap...
anonymous
  • anonymous
Thik huun bhai. To mera answer sahi hai na bhaiyaji...............??????????
anonymous
  • anonymous
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..
anonymous
  • anonymous
okkkkkkkkkkk
anonymous
  • anonymous
aadarsh ruchi kaun se class me hai...
anonymous
  • anonymous
ji bhaiya, ruchi di 11th mein hain.
anonymous
  • anonymous
or aadarsh bhai bhi 11th me hai
anonymous
  • anonymous
yani ruchi di ke saath same class mein hi!!!!!!!!!:))))))))
anonymous
  • anonymous
mujhe "budha" mat banaiye ruchi di i have just bnow entred class 11.
anonymous
  • anonymous
Congrats ruchiii diiiii
anonymous
  • anonymous
hehe....
anonymous
  • anonymous
Heheheheh
anonymous
  • anonymous
mera bhai v is bar eleventh me gya hai....
anonymous
  • anonymous
Jii haan. 2 saal ke baad ...........................................IIT(hope so.............)
anonymous
  • anonymous
apka Aadarsh bhai kvpy ka taiyari kaisa chal rha hai han...
anonymous
  • anonymous
Thik Thank bhai,........... abhi ncert ki portion start kiya huun. 2 - 3 mahine mein tayari puri ho jayegi........
anonymous
  • anonymous
tnx 4 hlp @taufique

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