When a camera flash goes off, the batteries recharge the flashs capacitor to a charge Q according to Q Q 0 (1 e kt ), where Q 0 is the maximum charge How long does it take to recharge the capacitor to 90 of capacity if k 0 5

Question: When a camera flash goes off, the batteries recharge the flashs capacitor to a charge Q according to Q = Q 0 (1 e

When a camera flash goes off, the batteries recharge the flash’s capacitor to a charge Q according to Q = Q₀ (1 − e^−kt), where Q₀ is the maximum charge. How long does it take to recharge the capacitor to 90% of capacity if k = 0.5?

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