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

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DalvoronBest ResponseYou've already chosen the best response.0
You have initial velocity, final velocity, and displacement. Therefore, you could use: \[a=\frac{v_1v_0}{t}\]and\[s=v_0t+\frac{1}{2}at^2\], which should allow you to find t, which would further allow you to find a!
 one year ago

AadarshBest ResponseYou've already chosen the best response.0
\[v ^{2}  u ^{2}= 2 a s\]
 one year ago

AadarshBest ResponseYou've already chosen the best response.0
 350 * 350 = 2 * 1/ 200 * a Or, a =  350 * 350 * 100
 one year ago

AadarshBest ResponseYou've already chosen the best response.0
@Taufique bhai, please help.
 one year ago

TaufiqueBest ResponseYou've already chosen the best response.2
dw:1338450546287:dw
 one year ago

TaufiqueBest ResponseYou've already chosen the best response.2
@Aadrsh, kaise ho bhai aap...
 one year ago

AadarshBest ResponseYou've already chosen the best response.0
Thik huun bhai. To mera answer sahi hai na bhaiyaji...............??????????
 one year ago

TaufiqueBest ResponseYou've already chosen the best response.2
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..
 one year ago

TaufiqueBest ResponseYou've already chosen the best response.2
aadarsh ruchi kaun se class me hai...
 one year ago

AadarshBest ResponseYou've already chosen the best response.0
ji bhaiya, ruchi di 11th mein hain.
 one year ago

Ruchi.Best ResponseYou've already chosen the best response.0
or aadarsh bhai bhi 11th me hai
 one year ago

AadarshBest ResponseYou've already chosen the best response.0
yani ruchi di ke saath same class mein hi!!!!!!!!!:))))))))
 one year ago

AadarshBest ResponseYou've already chosen the best response.0
mujhe "budha" mat banaiye ruchi di i have just bnow entred class 11.
 one year ago

AadarshBest ResponseYou've already chosen the best response.0
Congrats ruchiii diiiii
 one year ago

TaufiqueBest ResponseYou've already chosen the best response.2
mera bhai v is bar eleventh me gya hai....
 one year ago

AadarshBest ResponseYou've already chosen the best response.0
Jii haan. 2 saal ke baad ...........................................IIT(hope so.............)
 one year ago

TaufiqueBest ResponseYou've already chosen the best response.2
apka Aadarsh bhai kvpy ka taiyari kaisa chal rha hai han...
 one year ago

AadarshBest ResponseYou've already chosen the best response.0
Thik Thank bhai,........... abhi ncert ki portion start kiya huun. 2  3 mahine mein tayari puri ho jayegi........
 one year ago
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