# hw_04 - Name(s(up to three students per homework set Due In...

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Due: In class, Friday September 30, 2005 Name(s) (up to three students per homework set) : 1. 2. 3. For instructor or TA use only: Problem Score Points 1 10 2 25 3 10 4 10 5 10 6 10 7 10 8 15 ME 33 Fall Semester, 2005 Homework Set # 4 Professor J. M. Cimbala Total: 100 1 . (10 pts) Text Problem 1.18 . Note : The word “upward” should not appear in the problem statement. Give your answer to two significant digits, in units of newtons and in units of pound-force. Additional Part : Suppose the pilot takes a standard plastic water bottle with him (water depth from surface to bottom of bottle = 15 cm). If the acceleration is straight up , calculate the absolute pressure at the bottom of the water bottle in units of kPa to three significant digits. Assume that the pressure at the surface of the water is standard atmospheric pressure, and assume ρ water = 1000 kg/m 3 . 2 . (25 pts) Reconsider Problem 2 of last week’s homework assignment, namely, a rotating viscometer in which we make an approximation that the gap (distance between the inner and outer cylinders) is very small.
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