The flash on a compact camera stores energy in a 140 μF capacitor that is charged to 220 V. When the flash is fired, the capacitor is quickly discharged through a lightbulb with 5.5 2 of resistance. ▼ Part A Light from the flash is essentially finished after two time constants have elapsed. For how long does this flash illuminate the scene? Express your answer with the appropriate units. 2T = Submit Part B P = Submit O HA Value 0 Request Answer At what rate is the lightbulb dissipating energy 200 us after the flash is fired? Express your answer with the appropriate units. HÅ Value Units Request Answer ? Units ?

The flash on a compact camera stores energy in a 140 μF capacitor that is charged to 220 V. When the flash is fired, the capacitor is quickly discharged through a lightbulb with 5.5 2 of resistance. ▼ Part A Light from the flash is essentially finished after two time constants have elapsed. For how long does this flash illuminate the scene? Express your answer with the appropriate units. 2T = Submit Part B P = Submit O HA Value 0 Request Answer At what rate is the lightbulb dissipating energy 200 us after the flash is fired? Express your answer with the appropriate units. HÅ Value Units Request Answer ? Units ?

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

The flash on a compact camera stores energy in a
140 μF capacitor that is charged to 220 V. When
the flash is fired, the capacitor is quickly discharged
through a lightbulb with 5.5 2 of resistance.
▼
Part A
Light from the flash is essentially finished after two time constants have elapsed. For how long does this flash illuminate
the scene?
Express your answer with the appropriate units.
2T =
Submit
Part B
P =
Submit
O
HA
Value
0
Request Answer
At what rate is the lightbulb dissipating energy 200 us after the flash is fired?
Express your answer with the appropriate units.
HÅ
Value
Units
Request Answer
?
Units
?

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