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Chapter 44: 47P (page 1365)

Question:How much energy would be released if Earth were annihilated by collision with an anti-Earth?

Short Answer

Expert verified

this energy will power the sun for 8.826*10^7 years.

Step by step solution

Earth annihilation by collision

During the annihilation of matter and antimatter whole mass converts to energy. mass of earth made of matter and antimatter is equal.

this energy will power the sun for 8.826×10⁷ years.

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Most popular questions from this chapter

Calculate the disintegration energy of the reactions

$(a) π^{+} + p \to \sum^{+} + K^{+} and (b) K^{-} + p \to Λ^{0} + π^{0}$

(a) A stationary particle 1 decays into particles 2 and 3, which move off with equal but oppositely directed momenta. Show that the kinetic energy K₂ of particle 2 is given by

$K_{2} = \frac{1}{2 E_{2}} [{(E_{1} - E_{2})}^{2} - E_{3}^{2}]$

Where, E_1,E_2,and E₃are the rest energies of the particles.

(b) A stationary positive point $π^{+}$ (rest energy 139.6 MeV) can decay to an antimuon $μ^{+}$ (rest energy 105.7 MeV) and a neutrino

$ν$ (rest energy approximately 0). What is the resulting kinetic energy of the antimuon?

Because of the cosmological expansion, a particular emission from a distant galaxy has a wavelength that is $2$ times the wavelength that emission would have in a laboratory. Assuming that Hubble’s law holds and that we can apply Doppler-shift calculations, what was the distance ( $ly$ )to that galaxy when the light was emitted?

Does the proposed reaction

$P + \bar{P} \to λ ° + \sum_{}^{+} + e^{-}$

conserve (a) charge, (b) baryon number, (c) electron lepton number, (d) spin angular momentum, (e) strangeness, and (f) muon lepton number?

Use the conservation laws and Tables 44-3 and 44-4 to identify particle $x$ in each of the following reactions, which proceed by means of the strong interaction: (a) $p + p \to p + Λ^{0} + x$ (b) $p + \bar{p} \to n + x$ (c). $π^{-} + p \to Ε^{0} + K^{0} + x$

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Question:How much energy would be released if Earth were annihilated by collision with an anti-Earth?

Short Answer

Step by step solution

Earth annihilation by collision

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Most popular questions from this chapter

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