Which of the following is true of the Universe when it was three minutes old?
A) Photons continuously produced neutron-antineutron pairs.
B) Protons and neutrons linked to form deuterium.
C) Most nuclear reactions had stopped.
D) Nuclear reactions had stopped completely.
C
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A resistor, inductor, and capacitor are connected in series, each with effective (rms) voltage of 64.0 V, 87.6 V, and 69.0 V, respectively. What is the value of the effective (rms) voltage of the applied source in the circuit?
a. 82.6 V b. 66.6 V c. 83.7 V d. 220.6 V e. 129 V
The sun is a star in the Milky Way Galaxy
Indicate whether the statement is true or false
What is the only element in your body that was formed during the Big Bang, and not in cores of stars? Explain how you know this
What will be an ideal response?
When one kilogram of uranium undergoes nuclear fission,
A) the total amount of rest-mass is conserved. B) the total amount of energy is conserved. C) Both of the above. D) Neither of the above.