This preview shows page 1. Sign up to view the full content.
Ph 111
NAME __________________________________
December 8, 2008
Quiz 5
Class Average:
6.1/10
Please give your numerical answers to at least three significant figures. Please give the correct units (m/s, kg,
rad/s, hour, day, etc.) with each answer.
Problem 1.
An underwater vehicle is exploring a region of the Pacific Ocean.
The vehicle has a circular
observation window with area
A
= 0.04 m
2
.
If the force on the window is equal to 750,000 N, what is the depth
h
of the ocean at that point?
[The density of ocean water is 1040 kg/m
3
.]
The relations for pressure give
F
Pg
A
h
ρ
==
Solving for the depth
h,
we get
( )
()
(
)
23
750,000 N
1840 m
0.04 m
1040 kg/m
9.8 N/kg
F
h
Ag
=
h= 1840 m
Problem 2.
A water pipe having a 3.0 cm inside diameter carries water into the basement of a house at a speed
of 1.5 m/s.
The pipe then tapers to an inside diameter of 1.5 cm.
This is the end of the preview. Sign up
to
access the rest of the document.
This note was uploaded on 05/13/2010 for the course PHYSICS 111 taught by Professor Staff during the Fall '08 term at S.F. State.
 Fall '08
 Staff

Click to edit the document details