Derivative of a right circular cone

In summary, the formula for finding the derivative of a right circular cone is dV/dt = πr(2h + r(dh/dt)). The derivative of a right circular cone is related to its volume and can be negative, indicating a decrease in volume or size. It has various real-life applications in fields such as engineering, physics, and architecture. The derivative is affected by the dimensions of the cone, as changes in height or radius will affect the rate of change of volume.
  • #1
b.mueller5
3
0
inverted right-circular cone, with radius at the top 15 meters and depth 12 meters. rate of 2 cublic meters per minute. How fast is the depth increasing at the instant when the depth is 8 meters.

When i try to solve it I get an equation with 2 varibles.
 
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  • #2
Note that one can relate radius r at any point to the depth h at that point. Then dV/dt will be in terms of dh/dt only.
 
  • #3
Think of one side of the cone as starting at (0, 0) and going to (15, 12). What is the equation of that line?
 

Related to Derivative of a right circular cone

1. What is the formula for finding the derivative of a right circular cone?

The formula for finding the derivative of a right circular cone is given by dV/dt = πr(2h + r(dh/dt)), where V is the volume of the cone, r is the radius, h is the height, and t is the variable with respect to which we are finding the derivative.

2. How is the derivative of a right circular cone related to its volume?

The derivative of a right circular cone is related to its volume because it represents the rate of change of the volume with respect to time or any other variable. This means that if we know the rate at which the cone is changing, we can use the derivative to calculate its volume at any given time or point.

3. Can the derivative of a right circular cone be negative?

Yes, the derivative of a right circular cone can be negative. This means that the volume of the cone is decreasing with respect to time or the variable we are considering. It could also indicate that the cone is shrinking in size.

4. How can the derivative of a right circular cone be used in real-life applications?

The derivative of a right circular cone has many real-life applications, such as in engineering, physics, and architecture. It can be used to calculate the rate of change of volume in a cone-shaped tank, the speed of a falling object in the shape of a cone, or the slope of a cone-shaped roof.

5. Is the derivative of a right circular cone affected by its dimensions?

Yes, the derivative of a right circular cone is affected by its dimensions. The rate of change of the volume will be different for cones with different dimensions, such as varying heights or radii. This is because the volume of a cone is directly proportional to its dimensions, so any changes in these dimensions will affect the derivative.

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