Thinking Like an Engineer: An Active Learning Approach (4th Edition)
4th Edition
ISBN: 9780134639673
Author: Elizabeth A. Stephan, David R. Bowman, William J. Park, Benjamin L. Sill, Matthew W. Ohland
Publisher: PEARSON
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Chapter 17, Problem 14ICA
Write a program that will allow the user to type the input power of a motor in watts, the mass of an object in kilograms, the height to which the object will be raised by the motor in meters, and the time it took to raise the object in seconds. Use this information to determine the efficiency of the motor. Display the calculated value in the Command Window in the following format, using one decimal place: “The motor is __% efficient.”
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For Questions 3 and 4: A cup of water was heated to a
temperature of 90°. It was placed in a refrigerator that had a
temperature of 11°C. The water cooled to a temperature of
17°C in 30 minutes. Let the following variables represent
the relevant quantities.
L = Temperature of the liquid
S= Temperature of the surroundings
t = Time
B = Initial temperature of the liquid (Temperature at t = 0
k = Cooling constant
3. Using the Equation Solver, find the value of k in the
equation L = (B - S)e -kt + S. Remember to set the
equation equal to zero and then enter it into the Solver.
2. Complete the table. This problem involves the power required to raise a mass a given distance in a given amount of time. (Round your answers for mass and energy
to the nearest whole number.)
(Round your answers for power to two decimal places.)
3
Click the icon to view the table to complete.
4 Click the icon to view the conversion table.
5 Click the icon to view the table of common derived units in the Sl system.
3: More Info
4: More Info
2
11
Q
W
(a)
(b)
(a)
(b)
Mass [bm]
220
Time
1 d = 24 h
1 h = 60 min
Mass [Ibm
1 min = 60 s
3
1 yr = 365 d
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220
$
4
Distance [ft]
1 kg =
1 slug = 14.5939 kg
1 slug = 32.2 lbm
15
Distance [ft]
15
35
Mass
2.205 lbm
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35
%
5
I
T
Energy [J]
Length
1 m = 3.28 ft
1 km = 0.621 mi
1 in = 2.54 cm
1 mi = 5,280 ft
Energy [J]
^
6
MacBook Pro
Y
&
7
Time [min]
Energy
1 J = 0.239 cal
= 9.48 x 10-4 BTU
= 0.7376 ft lbf
1 kWh 3,600,000 J
H
0.5
Time [min]
0.5
2
2
8
1
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20
Power [hp]
0.134
Power [hp]
0.134
Power
1 W 3.412 BTU/h
= 0.00134 hp
= 14.34 cal/min
= 0.7376…
Posted below is a picture of a data table and a diagram of an experiment. In the experiment you rolled a marble down a ruler ramp off the end of a coffee table to observe projectiles and conservation of energy. You do 3 trials for each initial height. Each height is measured in meters.
h= initial height of marble off of table
Y= height of table off floor
X= horizontal distance marble goes from edge of table to where it strikes the floor
a) use the table to find information you need to solve for theoretical range and % of error in measured range.
Chapter 17 Solutions
Thinking Like an Engineer: An Active Learning Approach (4th Edition)
Ch. 17.1 - a. Write an input statement to ask for the users...Ch. 17.1 - Prob. 2CCCh. 17.1 - Prob. 3CCCh. 17.1 - Prob. 4CCCh. 17.1 - a. Create an input dialog that asks users for...Ch. 17.2 - Assume that the variable M is stored in the...Ch. 17.2 - Prob. 7CCCh. 17.2 - Prob. 8CCCh. 17.3 - Create a proper plot of the function D = 50 3t...Ch. 17.3 - Comprehension Check 17-1 0 Create a proper plot of...
Ch. 17.3 - Prob. 11CCCh. 17.4 - Prob. 12CCCh. 17.4 - Prob. 13CCCh. 17.4 - Prob. 14CCCh. 17 - Write a MATLAB statement that results in the input...Ch. 17 - You are writing code that is part of a purchasing...Ch. 17 - For each question dialog described below, write a...Ch. 17 - For each input dialog described below, write a...Ch. 17 - For the following questions, assume z = 100/810....Ch. 17 - For the following questions, z = 100/810. Write...Ch. 17 - Assume that the following variables are stored in...Ch. 17 - Assume that a three-element row vector v already...Ch. 17 - The tiles on the space shuttle are constructed to...Ch. 17 - The specific gravity of acetic acid (vinegar) is...Ch. 17 - Write a MATLAB program that will allow a user to...Ch. 17 - Write a program that will allow the user to type a...Ch. 17 - In order to calculate the pressure in a flask,...Ch. 17 - Write a program that will allow the user to type...Ch. 17 - Use a question dialog to determine whether the...Ch. 17 - Write a MATLAB program that will ask users to...Ch. 17 - Write a program that asks a user to enter, one at...Ch. 17 - Joules first law, also known as the Joule effect,...Ch. 17 - Create a proper plot of the following set of...Ch. 17 - There is currently an effort in the United States...Ch. 17 - You want to create a graph showing the theoretical...Ch. 17 - In 1619, Johannes Kepler proposed his third law of...Ch. 17 - The decay of a radioactive isotope can be...Ch. 17 - Create a proper plot of the theoretical voltage...Ch. 17 - Plot the following functions as assigned by your...Ch. 17 - Plot the following functions as assigned by your...Ch. 17 - Prob. 28ICACh. 17 - Enter the following data into MATLAB. Graph the...Ch. 17 - If an object is heated, the temperature of the...Ch. 17 - The resistance of a typical carbon film resistor...Ch. 17 - Today, most traffic lights have a delayed green,...Ch. 17 - Cadmium sulfide (CdS) is a semiconducting material...Ch. 17 - Your supervisor has assigned you the task of...Ch. 17 - Three different diodes were tested: a constant...Ch. 17 - Design a program that will ask the user to enter...Ch. 17 - If a hot liquid in a container is left to cool,...Ch. 17 - You are an engineer working for M M / Mars...Ch. 17 - 1. The specific gravity of gold is 19.3. Write a...Ch. 17 - An unmanned X-43A scramjet test vehicle has...Ch. 17 - A rod on the surface of Jupiter's moon Callisto...Ch. 17 - The Eco-Marathon is an annual competition...Ch. 17 - Your company wishes to write a computer program...Ch. 17 - You are developing a program to record information...Ch. 17 - In a factory, various metal rods are forged and...Ch. 17 - Write a function and program to determine the mass...Ch. 17 - Write a program to calculate a temperature...Ch. 17 - You are part of an engineering firm on contract...Ch. 17 - You want to create a graph showing the...Ch. 17 - When one tries to stop a car, both the reaction...Ch. 17 - If an object is heated, the temperature of the...Ch. 17 - Capillary action draws liquid up a narrow tube...Ch. 17 - In a turbine, a device used for mixing, the power...Ch. 17 - A pilot tube is a device that measures the...Ch. 17 - Prob. 19RQCh. 17 - Download the weekly retail gasoline and diesel...Ch. 17 - A sample of the data provided in the Microsoft...Ch. 17 - An Excel file named DartTosses.xlsx has one...
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