Counting only the material between us and the galactic Center, we measure a mass of ________ billion Suns
Fill in the blank(s) with correct word
100
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Shown here are astronomical objects located at different distances from Earth. Rank the objects based on their distances from Earth, from farthest to nearest.
At a temperature of ________, protons and neutrons combined to form deuterium and start cosmic nucleosynthesis
Fill in the blank(s) with correct word
A primary current of 6.0 A exists in an ideal iron-core transformer at a primary voltage of 100 volts. If the current in the secondary is 0.75 A, calculate the output voltage
a. 12.5 V b. 40 V c. 400 V d. 800 V e. 200 V
The combustion product that is created in the largest amounts by a coal-burning generating plant is
A) acids of sulfur and nitrogen, most of which is filtered out of the exhaust gases and disposed of as solid waste. B) laughing gas, which is why Americans are so silly. C) acids of sulfur and nitrogen, which go up the plant's stack and into the atmosphere. D) carbon dioxide, which goes up the plant's stack and into the atmosphere. E) carbon dioxide, most of which is filtered out of the exhaust gases and disposed of as solid waste.