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# Practice_Final_Answers - = 0.0125 m h upright = 0.01875 m b...

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Question 1: a) T >= mg cos > mg sin b) T = mg cos + 2mg (cos cos ) c) KE ( ) = mgr (cos cos 0 ) d) ( t ) = 0 sin(sqrt( g/L )t + /2) Question2: a) P = 3.58 x 10 3 Pa b) P = 1.0358 x 10 5 Pa c) = RC = r 2 R / g Note that there are two different densities. The curve will start as a decaying exponential with the smaller time constant until y ( t ) = 25 cm when all the water has drained. At that time the time constant will change as the oil starts to drain. Question 3: a) h flat = 0.0125 m
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Unformatted text preview: = 0.0125 m h upright = 0.01875 m b) t flat = 0.288 sec t upright = 0.434 sec Question 4: a) R eq = 10 b) R 1 3A 30V 90W R 2 3A 30V 90W R 3 1.5A 60V 90W R 4 1.5A 60V 90W c) C eq = C 1 + C 2 d) = RC = R eq C eq =(R 1 +R 2 )C 1 I max = 3A, falling exponential, V max = 60V rising (1-e) function Question 5: a) y max = 10.52 m b) x = 82.65 m c) z = 0.162 m Question 6: a) 0.8 m b) L = 614 kgm 2 /s c) 2304 N d) = 24 rad/s...
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