WebNov 7, 2024 · Learn the formulas that use the radius to find diameter, circumference, volume, and surface area. [7] D = 2r. As with circles, the diameter of a sphere is twice the radius. C = πD or 2πr. As with circles, the circumference of a … WebFind the electrostatic potential inside and outside a uniformly charged solid sphere whose radius is R and whose total charge is q. (Note: Use in nity as your reference ... Take a spherical volume of radius a. What happens as a ! 1? (d) Assemble the sphere layer by layer, each time bringing in an in nitesimal charge ... 2R Z R 0 3 r2 R2 4ˇR2dr ...
Sphere Volume and Area Calculator MyCalculators.net
WebNov 8, 2024 · We know the circumference of a circle is given by 2𝜋r, where r is the radius. Therefore, C = 2𝜋r = 144 Solving this, we get r = 22.9 units. The formula gives the volume of a sphere, V = 4/3 𝜋 r 3 Putting the value of r, we get V = 4/3 𝜋 (22.92) 3 V = 50453.197 unit³. WebSuppose the radius of the sphere is 6 cm, then its volume will be: As we know, the volume of the sphere, V = 4 3 π r 3. Here, r = 6 cm. Thus, volume of sphere, V = 4 3 … cakes in saint john nb
NCERT Exemplar Class 9 Maths Solutions Chapter 13 Surface …
WebAug 10, 2024 · Find the volume of the sphere whose diameter is 14 cm. Solution: We have, 2r = 14 => r = 14/2 => r = 7 Volume of sphere = 4/3 πr 3 = (4/3) (3.14) (7) (7) (7) = (1.33) (3.14) (7) (7) (7) = 1432.43 cm 3 FAQs on Volume of Sphere Question 1: Write the formula for the total surface area of the sphere. Answer: WebFind the area of a sector of a circular region whose central angle is 3 radians with a radius of 5 feet. Solution: ... Perimeter of sector $= 2r + l = 2(10) + 12.56 = 32.56$ feet. Find the arc length of a sector having a radius of 5 feet and a central angle of $120^\circ$. ... Volume of a Sphere; Mixed Numbers to Improper Fractions Conversion ... WebJan 3, 2024 · The volume of a sphere of radius `2r` is About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features © 2024 … liukkaat kelit