physics

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The charge (in coulombs) on an object increases according to (q)=(2 coul)e^[0.05/sec)(t)], where t is in seconds. How many seconds is the object deficient 1.56x10^20 electrons (from neutral)?

0, 12.56, 21.94, 41.21, 28.0, 50.5, 65.90, 105.00, 874.00, 1000.00

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