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Problems | Pipbo

Problems

Electricity

Question 4
Some electrons are added to a lead sphere with a mass of 14.5g.  Its net charge becomes 3.8nC.  How many electrons were added to the sphere?

Fluid Mechanics

Question 117
Fresh water travels through a pipe of varying width from point A to point B.  At point A the velocity of the water is 5.1m/s, at point B the velocity of the water is 13.0m/s.  What is the difference in pressure between point A and B?

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