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How do I calculate the mass of a circle?

How do I calculate the mass of a circle?

You might calculate volume using the sphere’s radius, circumference or diameter. You can also submerge the sphere in water to find its volume by displacement. Once you know the volume, you can multiply by the density to find the mass.

How do you find mass with radius and speed?

Follow these simple steps:

  1. Find the mass of the object – for example, 10 kg .
  2. Determine the radius of rotation. Let’s assume it’s 2 m .
  3. Determine the velocity of the object. It can be equal to 5 m/s .
  4. Use the centrifugal force equation: F = m v² / r .
  5. Or you can just input the data into our calculator instead 🙂

How to calculate the radius of a circle?

Equation of a Circle When the Centre is not an Origin Let C(h, k) be the centre of the circle and P(x, y) be any point on the circle. Therefore, the radius of a circle is CP. By using distance formula,

How to know if an equation is the equation of a circle?

How do we know if an equation is the equation of circle? If x and y are squared and the coefficient of x 2 and y 2 are same, then it is equation of circle. For example, 3x 2 +3y 2 = 12 is a circle’s equation.

How to find the area of a circle?

Area formula of a circle. The area of a circle is the plane region bounded by the circle’s circumference. It can be found using the formula. A = πr 2. where r is the circle’s radius. If using the diameter, d, of the circle: If the circumference of the circle, C, is known:

Which is the correct formula for the diameter of a circle?

The diameter of a circle is the length of the line starting from one point on a circle to another point and passing through the center of the circle. It is equal to twice the radius of the circle. It is usually denoted by ‘d’ or ‘D’. Diameter = 2 x Radius. Or Radius = Diameter/2. Diameter is the longest chord of the circle.