Name: , DL Section: Last First Office Use Quiz 1 Physics 7B Winter 2010 Jan. 13, 2010 1. Consider a fluid (density ) filled syringe (a tube with cross sectional area A t leading to a much narrower hollow needle with cross sectional area A n ). Imagine that you hold the syringe horizontally in air and press the plunger to establish a steady-state flow with fluid leaving the end of the needle with velocity v . a) Suppose there is no friction in the syringe tube or needle. Comparing the fluid gauge pressure inside the body of the syringe and inside the needle, which is greater?
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