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Drag coefficient can be defined as the ratio of the drag on a body moving through air to the prioduct of the velocity and the surface area of the body.

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What is the drag coefficient for a rock?

The drag coefficient for a rock can vary based on its shape, size, and surface texture. Generally, rocks have a drag coefficient ranging from 1.0 to 3.0, depending on these factors. Smoother, more streamlined rocks will have a lower drag coefficient compared to rough, irregularly shaped rocks.


What is the Drag coefficient of a skydiver?

The drag coefficient of a skydiver can vary depending on their body position during free fall. Generally, the drag coefficient can range from 0.5 to 1.3 for a skydiver in free fall. This coefficient represents the drag force experienced by the skydiver due to the air resistance during descent.


What is the drag coefficient for different shapes?

The drag coefficient varies for different shapes. It is a measure of how aerodynamic an object is. For example, a streamlined shape like a teardrop has a lower drag coefficient compared to a flat plate. The drag coefficient is important in determining how much air resistance an object experiences when moving through a fluid, such as air or water.


What is the zero lift drag coefficient of Boeing 747?

The zero lift drag coefficient of a Boeing 747 is approximately 0.022. This value represents the drag force experienced by the aircraft when it is not generating lift.


What is the significance of the drag coefficient of shapes in aerodynamics and how does it affect the performance of vehicles?

The drag coefficient of shapes in aerodynamics is important because it measures how streamlined an object is. A lower drag coefficient means less air resistance, which can improve the performance of vehicles by reducing fuel consumption and increasing speed. Shapes with a lower drag coefficient are more aerodynamic and can move through the air more efficiently.