Physics, 05.05.2020 14:09 wittlemarie
Read the following characteristics of stars and choose the one that is correct. plz help quickly
A. Although all stars have the same brightness, Earth’s atmosphere makes some appear brighter than others.
B. All stars are the same size, but they release different amounts of light
C. If two stars give off the same amount of light, the closer one will appear brighter to us.
D. Smaller stars give off more light than larger ones
Answers: 1
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Estimate the schwarzschild radius (in kilometers) for a mini-black hole formed when a superadvanced civilization decides to punish you (unfairly) by squeezing you until you become so small that you disappear inside your own event horizon. (assume that the your weight is 50 kg)
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Two atoms with different mass number but the same atomic number are called a) elements. b) ions. c) isotopes. d) nuclei.
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At the point of fission, a nucleus of ^235 u that has 92 protons is divided into two smaller spheres, each of which has 46 protons and a radius of 5.90 x 10 ^-15m. what is the magnitude of the repulsive force pushing these two spheres apart
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Read the following characteristics of stars and choose the one that is correct. plz help quickly
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