Which of the following determine the terminal speed of an object?
Object's density
Color
Weight
Relative speed between the object and the air
Shape/Aerodynamics
Air density
Surface area encountered by air
Weight
Shape/Aerodynamics
Air density
Surface area encountered by air
The terminal speed of an object is determined by several factors, including:
1. Object's density: The density of the object affects how easily it can displace the surrounding air, which in turn affects the terminal speed.
2. Weight: The weight of the object influences the force of gravity pulling it downward, thus affecting the terminal speed.
3. Relative speed between the object and the air: The speed at which the object moves through the air impacts the opposing force it experiences from air resistance.
4. Shape/Aerodynamics: The shape of the object and its aerodynamic properties play a role in determining the amount of air resistance it encounters, thus affecting the terminal speed.
5. Air density: The density of the air through which the object is moving affects the magnitude of the air resistance experienced and, therefore, the terminal speed.
6. Surface area encountered by air: The surface area of the object that comes into contact with the air affects the amount of air resistance it experiences, hence impacting the terminal speed.
To summarize, the terminal speed of an object is determined by its density, weight, relative speed with the air, shape/aerodynamics, air density, and the surface area encountered by air.
To determine the terminal speed of an object, several factors come into play:
1. Object's weight: The weight of an object plays a significant role in determining terminal speed. The greater the weight of the object, the faster it will accelerate through the air.
2. Object's surface area encountered by air: The larger the surface area of the object that encounters the air, the more air resistance it will face. Therefore, a larger surface area will result in a lower terminal speed.
3. Shape/Aerodynamics: The shape of an object affects how air flows around it. More streamlined or aerodynamic shapes generally experience less air resistance, resulting in higher terminal speeds.
4. Air density: Air density refers to the amount of air molecules present in a given volume. Higher air density means more air molecules will collide with the object, leading to higher air resistance and a lower terminal speed.
Now, let's discuss the factors that do not determine the terminal speed:
1. Object's density: The density of an object, which is the mass per unit volume, does not directly affect the terminal speed. However, density indirectly affects weight, as objects with higher density will typically be heavier. So, it's the weight, not the density, that influences terminal speed.
2. Color: The color of an object has no effect on its terminal speed. The speed is determined solely based on the factors mentioned above.
To determine an object's terminal speed, it is essential to take into account the object's weight, surface area, shape, air density, and the relative speed between the object and the air.