11475
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Formula
Vf= V0+Vrlnm0/m
Vo=initial velocity
Vr=rocket er sapekke jalani purar har
mo=initial mass=rocket+jalani
mf=final mass=jalanir vor
PSTU(Patuakhali) CSE Better naki PUST(Pabna) CSE ?? কারো আইডিয়া আছে?
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Shortcut die korte paren..jodi 3 ta bol porospor 120 degree kone thake ebong tader maje diff equal=d hoy tahole d√3 lobdhi..6 kore difference tai 6√3
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srtcut use koren H/n+1 n=gotisokti vibobsoktir koto gun=2
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কালকেও কি gst এর সাবজেক্ট চয়েজ দেয়া যাবে?
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Gst subject choice apply ki mobile phone diya kora jabe?
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p(out)=vpgh/t
v=lbh=5×3×2
h=(0+10)/2=5
p out ber kore n=pout/pin bebohar kore p in ber kore 746 dara vag
n=PV/RT
p=750/760 atm
v=2.53 L
n (co2)ber koren
Jehetu (Caco3)=Cao+Co2
Tai n(co2)=n(CaCo3)
Erpor m(Caco3)=M(Caco3)×n(Caco3) use kore answer paben
purno gurnon e kritokaj 0 hobar kotha to
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