Escape speed to equivalent the speed of light
To what radius would a star of mass 2.13 x 1030 kg have to be contracted for its escape speed to equivalent the speed of light? (Black holes have escape speeds greater than the speed of light; therefore we see no light from them.)
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After conducting tests using the CuSo4*5H2O as a reagent, results show that the new compound synthesized contains the following elements:
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