Using a value for Hubble's constant of 71 km/s per Mpc, find the recession velocity of a galaxy at a distance of 40 Mpc.
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Q: Ex. 41: A sound wave of amplitude 20 cm and frequency 1000 Hz is travelling with a velocity of 310…
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Q: steam having a dryness fraction of 0.9, a volume of 2m^3 and a pressure of 2bar is compressed in a…
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