What causes X-ray emissions in a binary system of a star and a black hole?
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Q: $4
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Q: 1. WHAT IS THE TOTAL CHARGE OF 80.0 KG OF ELECTRONS?
A: Given that-Mass, m= 80 kgMass of electron, me=9.11×10-31 kgCharge of electron, qe=-1.6×10-19 C
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