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Answer:
2875 s
Explanation:
From the question given above, the following data were obtained:
Power (P) = 80 J/s
Energy (E) = 2.3×10⁵ J
Time (t) = ?
Power can simply be defined as the rate at which energy is used. Mathematically, power is expressed as:
Power = Energy / time
P = E/t
With the above formula, we can obtain the time taken for the bulb to consume 2.3×10⁵ J. This can be obtained as follow:
Power (P) = 80 J/s
Energy (E) = 2.3×10⁵ J
Time (t) = ?
Power = Energy / time
P = E/t
80 = 2.3×10⁵ /t
Cross multiply
80 × t = 2.3×10⁵
Divide both side by 80
t = 2.3×10⁵ / 80
t = 2875 s
Therefore, it will take 2875 s for the bulb to consume 2.3×10⁵ J of energy.