Physics, 23.09.2019 04:30 robertabenavidesq
When fusion begins in a high mass protostar, which kind of star is formed? blue star. yellow star. red star. 2. to which galactic cluster does our solar system belong? andromeda cluster local group virgo cluster cepheid group 3. who devised a method to measure the circumference of the earth? aristarchus ptolemy copernicus eratosthenes 4. which method allows us to estimate the distance to the furthest galaxies observable? globular clusters brightest galaxy in cluster supernovae novae 5. what is believed to be at the center of most galaxies? quasars supermassive black holes cepheid variables neutron stars 6. how many times brighter is a magnitude +1 star than a magnitude +2 star? 1 ⽠times brighter 2 ⽠times brighter ⽠times brighter 2 times brighter 7. what is the name of pluto’s satellite? titan charon ganymede callisto 8. how are mass and luminosity related? larger mass implies less luminosity larger mass implies more luminosity there is no relationship between mass and luminosity.
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Alfred pushes on a heavy box, but cannot move it. the box has a lot of inertia motion friction gravity
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Aspring has a natural length of 8 m. if a 12-n force is required to keep it stretched to a length of 10 m, how much work w is required to stretch it from 8 m to 16 m? (round your answer to two decimal places.)
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Physics, 22.06.2019 20:00
What is the name of the perceived change in a sound wave’s frequency due to motion between the observer and the sound source?
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When fusion begins in a high mass protostar, which kind of star is formed? blue star. yellow star....
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