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Which phenomenon causes increased observed weight upon acceleration by astronauts?

A)General relativity's equivalence principle
B)Special relativity's length contraction
C)Quantum entanglement correlations
D)Increased atmospheric cosmic radiation

💡 Explanation

The increased weight on accelerating astronauts happens because gravity and constant acceleration are locally indistinguishable, according to the equivalence principle of general relativity; therefore, the effect mimics a gravitational force on them, rather than increased radiation dose.

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