ass1_solution - IN P P P IN P OUT IN E q c V T c V Ah T c V...

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Question 1 0 4 ) )) 4 / /( (( ) ) / (( ) ( keg of diameter keg of area sectional cross beer of height beer of volume density pressure 2 2 = + = = = = = = = = = = = = V D g k V g D V k g A V k g h k kp V V/A h g h p D A h V p π ρ ρ π ρ ρ ρ ρ & & The system is analogous to the rotating mass and discharging capacitor examples. The table on page 1-4 of the notes applies. τ ρ π τ / 0 2 days 54 . 4 seconds 299 , 392 4 t e V V g k D = = = = 9am Monday to 9am Friday is 4 days + 10 hours = 106 hours = 381,600 seconds l e V 32 . 132 350 392299 / 381600 = = Better order another keg! Question 2 C on charge C in current R in current L and R in current 3 2 2 1 1 = = = = q i i i C V q i C V q R V i i i i c q V R i V L i R i V V OUT OUT OUT OUT OUT OUT IN & & = = = = + = = = + = 3 2 2 3 2 1 2 2 1 1 1 [3] from / [2] from ] 4 [ / ] 3 [ ] 2 [ ] 1 [
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