Problem #1. You want to design a reliable system that will launch the ball, in a curvilinear motion, for the highest vertical distance. The height that the ball can attain is dependent on two parameters at launch release: the angle of release to the horizontal and the initial velocity imparted to the ball. The system you are designing will release the ball at 10 m/s reliably. Use excel show the angle, which results in the maximum height. The applicable equation is: sin² 0 * v^2 h 2g where g is the gravitational constant. • You must use Excel to set up a worksheet and find how the height varies with the release angle. Submit both the worksheet and a copy of the plot of the height versus angle. Copy them into Word and print out on one page. Also answer the following questions: What is the maximum height attained for the specified velocity and at what angle? If you double the velocity how much does the height change? And if you half the velocity what are the results?

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Problem #1. You want to design a reliable system that will launch the ball, in a curvilinear
motion, for the highest vertical distance.
The height that the ball can attain is dependent on two parameters at launch release: the angle
of release to the horizontal and the initial velocity imparted to the ball. The system you are
designing will release the ball at 10 m/s reliably. Use excel show the angle, which results in the
maximum height.
The applicable equation is:
sin? 0 * v^2
h =
2g
where g is the gravitational constant.
You must use Excel to set up a worksheet and find how the height varies with the
release angle.
• Submit both the worksheet and a copy of the plot of the height versus angle. Copy
them into Word and print out on one page. Also answer the following questions:
• What is the maximum height attained for the specified velocity and at what angle?
If you double the velocity how much does the height change? And if you half the
velocity what are the results?
Problem #2. When the Mach number is higher than 1 a shock wave forms. That is what leads
to a sonic boom. All supersonic vehicles, that includes airplanes or rockets experience that
phenomena.
The Mach number behind the shock, M2 can be calculated from knowing the initial flight Mach
number, M1 and the properties of the air or fluid. Gamma, y, which represents the ratio of
specific heats is defined at 1.4 for dry air.
(y – 1)M² + 2
M² =
2yM? — (у — 1)
Set up a Excel spreadsheet to calculate the Mach number behind the shock, M2. Use a
small stepsize (smaller than 0.1) and use the initial Mach number, M1 from 1 to 6.
Notice that the Mach number after the shock is always below one and the drop is
significant.
Then calculate the percent change with respect to M1 from the following equation
M1 – M2
A=
* 100
M1
At what initial Mach number does the change equal to 75% and then 90%. Your M, has
to be within less than 0.5% and 0.025% for 75% and 90%, respectively.
Transcribed Image Text:Problem #1. You want to design a reliable system that will launch the ball, in a curvilinear motion, for the highest vertical distance. The height that the ball can attain is dependent on two parameters at launch release: the angle of release to the horizontal and the initial velocity imparted to the ball. The system you are designing will release the ball at 10 m/s reliably. Use excel show the angle, which results in the maximum height. The applicable equation is: sin? 0 * v^2 h = 2g where g is the gravitational constant. You must use Excel to set up a worksheet and find how the height varies with the release angle. • Submit both the worksheet and a copy of the plot of the height versus angle. Copy them into Word and print out on one page. Also answer the following questions: • What is the maximum height attained for the specified velocity and at what angle? If you double the velocity how much does the height change? And if you half the velocity what are the results? Problem #2. When the Mach number is higher than 1 a shock wave forms. That is what leads to a sonic boom. All supersonic vehicles, that includes airplanes or rockets experience that phenomena. The Mach number behind the shock, M2 can be calculated from knowing the initial flight Mach number, M1 and the properties of the air or fluid. Gamma, y, which represents the ratio of specific heats is defined at 1.4 for dry air. (y – 1)M² + 2 M² = 2yM? — (у — 1) Set up a Excel spreadsheet to calculate the Mach number behind the shock, M2. Use a small stepsize (smaller than 0.1) and use the initial Mach number, M1 from 1 to 6. Notice that the Mach number after the shock is always below one and the drop is significant. Then calculate the percent change with respect to M1 from the following equation M1 – M2 A= * 100 M1 At what initial Mach number does the change equal to 75% and then 90%. Your M, has to be within less than 0.5% and 0.025% for 75% and 90%, respectively.
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