Chemistry, asked by gvishnuvardhan2003, 1 year ago

Please answer 2nd question

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Answered by deviteacher

1

E1/E2=Z1²/Z2²

E1/-E=3²/1²

E1=-9E

KE=Ep-E1

mv²/2=Ep+9E

v²=2(Ep+9E)/m

v=

$\sqrt{} 2(ep +9e) \div m \:$

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