Question1an atomic nucleus of mass 230 u moving at 400 ms

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Reference no: EM13350402

Question1

An atomic nucleus of mass 230 u moving at 400 m/s emits an alpha particle of mass 4.0 u in direction of its velocity. If the remaining nucleus slows to 325 m/s, what speed does alpha particle have when it is emitted?

Question2

The proton-proton chain efficiently converts hydrogen into helium according to 4H →4 He. A Helium 4 nucleus weighs 6.64638 × 10-27 kg and a Hydrogen nucleus (a proton) weighs 1.67262 × 10-27 kg. Work out alteration in mass when 1 kg of Hydrogen is converted completely into Helium 4. Convert change in mass per kg into energy created, Joules per kg of Hydrogen, using Einstein's formula. E = mc2

Reference no: EM13350402

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