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WorksheetsProject 1.2 Kite Tailing Test Review
Total questions: 15
Worksheet time: 8mins
1. sin(THETA) = ________
Opposite / Hypotenuse
Adjacent / Hypotenuse
Hypotenuse / Opposite
Adjacent / Opposite
cos(THETA) = ________
Adjacent / Hypotenuse
Opposite / Hypotenuse
Hypotenuse / Adjacent
Opposite / Adjacent
3. tan(THETA) = ________
Opposite / Adjacent
Adjacent / Opposite
Opposite / Hypotenuse
Hypotenuse / Adjacent
When you are recording data while flying the kite, why is it important that the string is taut?
Your force measurements will not be correct if there is slack. You also will inaccurate measurement for the altitude of the kite.
It helps the kite fly faster in the wind.
A loose string makes the kite change color.
A taut string keeps the kite from spinning in circles.
What is the purpose of a tail on a kite?
It creates drag to make the kite more stable.
It helps the kite fly higher.
It makes the kite heavier so it won't fly away.
It is only for decoration.
Explain how the air density, pressure, and temperature change as altitude changes.
Density, pressure, and temperature all decrease as altitude increases.
Density increases, but pressure and temperature decrease as altitude increases.
Pressure increases, but density and temperature decrease as altitude increases.
Temperature increases, but density and pressure decrease as altitude increases.
The equation below is used to calculate the wind speed. Identify each term in the equation. Where do each of the values come from? F=21∗CR∗ρ∗A∗V2
F = Force. We know the tension in the string. CR is assumed to be equal to 1. ρ is the density. It is calculated from the atmospheric conditions. A is the area of the kite. Velocity is calculated from the equation.
F = Frequency. CR is the coefficient of resistance. ρ is the pressure. A is the amplitude. V is the voltage.
F = Force. CR is the compression ratio. ρ is the resistivity. A is the acceleration. V is the velocity of sound.
F = Friction. CR is the critical ratio. ρ is the density of water. A is the area of the string. V is the velocity of the wind.
Explain what is meant by the atmospheric standard day. At what altitude is it based on? Explain what the international standard atmosphere is.
The standard day is a reference day of atmospheric conditions. It is based on sea level altitude. The ISA is a model of how the density, pressure, and temperature change according to altitude.
The standard day refers to the average temperature at mountain altitudes. It is based on 10,000 feet. The ISA is a model of wind speed changes with altitude.
The standard day is a day with maximum humidity. It is based on the highest recorded temperature. The ISA is a model of rainfall distribution.
The standard day is a reference for cloud formation. It is based on the altitude of the tropopause. The ISA is a model of cloud types.
Iterating upon a design leads to a better design because:
It allows for continuous improvement based on feedback and testing.
It makes the design process longer without any benefits.
It ensures the first idea is always the best solution.
It prevents any changes from being made to the original design.
The most important aspect for which you are designing in a project is:
Additional features that can add value, but are not required by the customer
The features that the customer says are most important
Reducing the overall cost of the design
Reducing the overall risk of the design
The optimal design has:
The lowest cost
The highest performance
The shortest design and build time
The greatest balance between cost, performance, and design/build time
Thoroughly documenting your project work is important for which of the following reasons?
It helps others understand your work, allows for easier maintenance, and provides a record for future reference.
It makes the project look more complicated than it is, increases the workload, and hides mistakes.
It ensures that only the original author can understand the project, discourages collaboration, and reduces transparency.
It allows you to avoid following any standards, ignore feedback, and skip testing.
What are potential benefits of high altitude wind power?
Because there is so much energy available, it could easily provide us with all the energy we need.
It produces less energy than ground-level wind power.
It is more expensive to maintain than solar power.
It is only effective in coastal regions.
What is the "jet stream"?
Strong currents of air about five miles up in the atmosphere.
A fast-moving river found in mountainous regions.
A type of ocean current near the equator.
A stream of water vapor released from jet engines.
What is the meaning of "terrestrial"?
On the ground.
In the water.
In the air.
Underground.
