what can I do here ?
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ke initial=1/2mv²
ke final =1/2m(v+2)²=mv²
(v²+4v+4)/2=v²
v²-4v-4=0
v=(4±2√2)/2
v=2±√2
option 2 and 4
ke final =1/2m(v+2)²=mv²
(v²+4v+4)/2=v²
v²-4v-4=0
v=(4±2√2)/2
v=2±√2
option 2 and 4
SaaroopSaaroop:
thanks bro
welcome yaar
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