CPS 5310 Homework 07
Natasha Sharma
Due on 4/14, 11:59 pm
Total Points: 100 points
Consider the following predator-prey model:
dx
= ax bxy
dt
dy
= ry + cxy,
dt
(1)
(2)
where x(t) denotes the prey population while y(t) denotes the predator population at ti
Tuesday Group 6
Lab 4: Construction Drawings
February 20, 2017
Introduction:
This weeks lab focuses on constructional engineering through the process of analyzing
the blueprints of the construction of UTEP. There were five pages where specific items were
Tuesday Group 6
Lab 3
March 14, 2017
Introduction:
The objective for lab 7 was to investigate the force of friction between tires and different
road surfaces and weather conditions. This experiment was meant to display the differences
weights and texture
Tuesday Group 6
Lab 6
March 21, 2017
Introduction:
For this lab report, the goal and objective was to create a concrete cylinder that could withstand
an excess amount of force. In addition, the measurements had to be accurate and rationed properly (230
g
Tuesday Group 6
Lab 1
January 24, 2017
Introduction:
For our first lab report our objective was to observe the strengths of different foundations
such as a bucket of clay, gravel and sand. In addition, we had to utilize four 25 pound plates
along with two
Lab 10: Steel Tensile Test
11/16/2016
Introduction
Structural Engineering involves designing structures with steel that are the
strongest, durable and even withstand a lot of tension, which is the purpose of this lab. In
a previous lab we welded together
Lab 12: Bridge Design
12/08/2016
Introduction
Civil engineers design bridges, roads and basically anything that involves traffic a
civil engineer will design. We were to try to build the strongest bridge out of popsicle
sticks and brads. The purpose of th
212 [HM] Steam enters an insulated tank through a valve. At a given instant, the mass
of steam in the tank is found to be 10 kg, and the conditions at the inlet are measured as
follows: A = 50 cm2, V: 31 m/s, and p = 0.6454 kg/m3. Determine (a) dm/dt trea
311 [TN] The specic enthalpy (h) of an ideal gas is a function of temperature (I) only as can
be seen from Table D-3 for air. (a) Using the data from the table, determine the specic heat at
constant pressure (Cpl) of air at 400 K. (b) What-if Scenario: Wh
Unless otherwise stated, take the density of water to be
pw 2 1000 lutg/m3 and its specific weight to be 7, =
62.4 lb/ftB. Also, assume all pressures are gage pressures
2-13. The soaking bin contains ethyl alcohol used for
cleaning automobile parts. If th
*116. The tank contains 2 kg of air at an absolute pressure
of 400 kPa and a temperature of 20C. If 06 kg of air is added
to the tank and the temperature rises to 32C, determine the
pressure in the tank.
SOLUTION
For T1 : 20 + 273 : 293 K, p1 : 400 kPa an
CE 2375 Quiz No. 3 Sep. 19, 2016 Name (Print): go 1 MW
Name (Signature):
(10 points) Water enters a cylindrical tank through two inlets and leaves through a single exit as
shown below. The inlets and outlet are all circular pipes.
The conditions at the th
CE2375 I N.2 Se .12 2016 N P. t: l .
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Name (Signature):
(10 points) At the exit of a device, the following properties were measured
i) mass transport rate: 100 kg/s;
3
ii) volume flow rate: 3 m /s;
iii) specific flow energy (
CE2375 N.1 A .29,2016 N P't: - '
QUIZ 0 ug ame( rm) gok uf WV
Name (Signature):
A gas is compressed in a horizontal piston-cylinder device. At the start of compression, the pressure
inside is not known and the volume is 0.2 liter. Assuming that the pressu
CE 23 75 Intro. To Thermal Fluid Exam I Step; 26. 201'6
Name: Signature 30 [UL l I W
Student ID No. Seat Number |:
Problem 1 [10 points! The tube in the gure below is filled with water and water vapor. Determine the length of the
water column in the gure.
{1—1—7 [LIT— The £rictional force on a block of mass mg resting on a table [see
accompanying ﬁgure) is given as F = .rtN. where N is the normal reaction force from the
table. Determine the maximum value for tag that can be supported by friction. Assrnne
t
2—1—2 :HM: Steam enters an insulated tank through a valve. At a given instant, the mass
of steam in the tank is found to be 10 kg, and the conditions at the inlet are measured as
follows: A = 50 cmz, V: 31 and p = 0.6454 kg/m3. Determine (a) dm/dr treatin